diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 532bd23428c..dbd749d7ca7 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -98,9 +98,6 @@ hyperframe>=5.2.0
 # Ensure we run compatible with musllinux build env
 numpy==1.23.2
 
-# pytest_asyncio breaks our test suite. We rely on pytest-aiohttp instead
-pytest_asyncio==1000000000.0.0
-
 # Prevent dependency conflicts between sisyphus-control and aioambient
 # until upper bounds for sisyphus-control have been updated
 # https://github.com/jkeljo/sisyphus-control/issues/6
diff --git a/pyproject.toml b/pyproject.toml
index a5b6c205c89..710b025bee3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -227,3 +227,4 @@ norecursedirs = [
 ]
 log_format = "%(asctime)s.%(msecs)03d %(levelname)-8s %(threadName)s %(name)s:%(filename)s:%(lineno)s %(message)s"
 log_date_format = "%Y-%m-%d %H:%M:%S"
+asyncio_mode = "auto"
diff --git a/requirements_test.txt b/requirements_test.txt
index 38ea4aa37ab..7db57fb5bcf 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -16,7 +16,8 @@ mypy==0.991
 pre-commit==2.20.0
 pylint==2.15.6
 pipdeptree==2.3.1
-pytest-aiohttp==0.3.0
+pytest-asyncio==0.20.2
+pytest-aiohttp==1.0.4
 pytest-cov==3.0.0
 pytest-freezegun==0.4.2
 pytest-socket==0.5.1
diff --git a/script/gen_requirements_all.py b/script/gen_requirements_all.py
index 6d547ab9fed..355caa6cb62 100755
--- a/script/gen_requirements_all.py
+++ b/script/gen_requirements_all.py
@@ -110,9 +110,6 @@ hyperframe>=5.2.0
 # Ensure we run compatible with musllinux build env
 numpy==1.23.2
 
-# pytest_asyncio breaks our test suite. We rely on pytest-aiohttp instead
-pytest_asyncio==1000000000.0.0
-
 # Prevent dependency conflicts between sisyphus-control and aioambient
 # until upper bounds for sisyphus-control have been updated
 # https://github.com/jkeljo/sisyphus-control/issues/6
diff --git a/tests/auth/test_init.py b/tests/auth/test_init.py
index 49c2c776684..f8ba8108f59 100644
--- a/tests/auth/test_init.py
+++ b/tests/auth/test_init.py
@@ -28,7 +28,7 @@ from tests.common import (
 
 
 @pytest.fixture
-def mock_hass(loop):
+def mock_hass(event_loop):
     """Home Assistant mock with minimum amount of data set to make it work with auth."""
     hass = Mock()
     hass.config.skip_pip = True
diff --git a/tests/common.py b/tests/common.py
index b7a26cb5f6d..f32dbd11081 100644
--- a/tests/common.py
+++ b/tests/common.py
@@ -160,7 +160,7 @@ def get_test_home_assistant():
 
 
 # pylint: disable=protected-access
-async def async_test_home_assistant(loop, load_registries=True):
+async def async_test_home_assistant(event_loop, load_registries=True):
     """Return a Home Assistant object pointing at test config dir."""
     hass = ha.HomeAssistant()
     store = auth_store.AuthStore(hass)
diff --git a/tests/components/alexa/test_flash_briefings.py b/tests/components/alexa/test_flash_briefings.py
index 8b9c91e28b5..499848f01db 100644
--- a/tests/components/alexa/test_flash_briefings.py
+++ b/tests/components/alexa/test_flash_briefings.py
@@ -21,8 +21,9 @@ NPR_NEWS_MP3_URL = "https://pd.npr.org/anon.npr-mp3/npr/news/newscast.mp3"
 
 
 @pytest.fixture
-def alexa_client(loop, hass, hass_client):
+def alexa_client(event_loop, hass, hass_client):
     """Initialize a Home Assistant server for testing this module."""
+    loop = event_loop
 
     @callback
     def mock_service(call):
diff --git a/tests/components/alexa/test_intent.py b/tests/components/alexa/test_intent.py
index 9c71bc32e4d..54708e9d0f0 100644
--- a/tests/components/alexa/test_intent.py
+++ b/tests/components/alexa/test_intent.py
@@ -27,8 +27,9 @@ NPR_NEWS_MP3_URL = "https://pd.npr.org/anon.npr-mp3/npr/news/newscast.mp3"
 
 
 @pytest.fixture
-def alexa_client(loop, hass, hass_client):
+def alexa_client(event_loop, hass, hass_client):
     """Initialize a Home Assistant server for testing this module."""
+    loop = event_loop
 
     @callback
     def mock_service(call):
diff --git a/tests/components/auth/conftest.py b/tests/components/auth/conftest.py
index 867f44d9f15..b7e69a44a0d 100644
--- a/tests/components/auth/conftest.py
+++ b/tests/components/auth/conftest.py
@@ -3,6 +3,6 @@ import pytest
 
 
 @pytest.fixture
-def aiohttp_client(loop, aiohttp_client, socket_enabled):
+def aiohttp_client(event_loop, aiohttp_client, socket_enabled):
     """Return aiohttp_client and allow opening sockets."""
     return aiohttp_client
diff --git a/tests/components/config/test_init.py b/tests/components/config/test_init.py
index 2d5610cadfb..9a54c55ff9e 100644
--- a/tests/components/config/test_init.py
+++ b/tests/components/config/test_init.py
@@ -2,7 +2,7 @@
 from homeassistant.setup import async_setup_component
 
 
-async def test_config_setup(hass, loop):
+async def test_config_setup(hass, event_loop):
     """Test it sets up hassbian."""
     await async_setup_component(hass, "config", {})
     assert "config" in hass.config.components
diff --git a/tests/components/emulated_hue/test_upnp.py b/tests/components/emulated_hue/test_upnp.py
index ce7f013963c..770f636098c 100644
--- a/tests/components/emulated_hue/test_upnp.py
+++ b/tests/components/emulated_hue/test_upnp.py
@@ -31,7 +31,7 @@ class MockTransport:
 
 
 @pytest.fixture
-def aiohttp_client(loop, aiohttp_client, socket_enabled):
+def aiohttp_client(event_loop, aiohttp_client, socket_enabled):
     """Return aiohttp_client and allow opening sockets."""
     return aiohttp_client
 
diff --git a/tests/components/emulated_roku/test_binding.py b/tests/components/emulated_roku/test_binding.py
index 5afee6f6cc3..8adf1a18f19 100644
--- a/tests/components/emulated_roku/test_binding.py
+++ b/tests/components/emulated_roku/test_binding.py
@@ -25,7 +25,7 @@ async def test_events_fired_properly(hass):
     roku_event_handler = None
 
     def instantiate(
-        loop,
+        event_loop,
         handler,
         roku_usn,
         host_ip,
diff --git a/tests/components/energy/test_sensor.py b/tests/components/energy/test_sensor.py
index 0108dd1de76..636eb74e4d3 100644
--- a/tests/components/energy/test_sensor.py
+++ b/tests/components/energy/test_sensor.py
@@ -3,6 +3,7 @@ import copy
 from datetime import timedelta
 from unittest.mock import patch
 
+from freezegun import freeze_time
 import pytest
 
 from homeassistant.components.energy import data
@@ -41,6 +42,13 @@ async def setup_integration(recorder_mock):
     return setup_integration
 
 
+@pytest.fixture(autouse=True)
+@freeze_time("2022-04-19 07:53:05")
+def frozen_time():
+    """Freeze clock for tests."""
+    yield
+
+
 def get_statistics_for_entity(statistics_results, entity_id):
     """Get statistics for a certain entity, or None if there is none."""
     for statistics_result in statistics_results:
diff --git a/tests/components/fido/test_sensor.py b/tests/components/fido/test_sensor.py
index 0ab1de94117..13d8515f8f2 100644
--- a/tests/components/fido/test_sensor.py
+++ b/tests/components/fido/test_sensor.py
@@ -38,7 +38,7 @@ class FidoClientMockError(FidoClientMock):
         raise PyFidoError("Fake Error")
 
 
-async def test_fido_sensor(loop, hass):
+async def test_fido_sensor(event_loop, hass):
     """Test the Fido number sensor."""
     with patch("homeassistant.components.fido.sensor.FidoClient", new=FidoClientMock):
         config = {
diff --git a/tests/components/frontend/test_init.py b/tests/components/frontend/test_init.py
index 661b3ace38a..6bff327d397 100644
--- a/tests/components/frontend/test_init.py
+++ b/tests/components/frontend/test_init.py
@@ -80,7 +80,7 @@ async def frontend_themes(hass):
 
 
 @pytest.fixture
-def aiohttp_client(loop, aiohttp_client, socket_enabled):
+def aiohttp_client(event_loop, aiohttp_client, socket_enabled):
     """Return aiohttp_client and allow opening sockets."""
     return aiohttp_client
 
diff --git a/tests/components/geofency/test_init.py b/tests/components/geofency/test_init.py
index 9959023e8a6..9aaa356085b 100644
--- a/tests/components/geofency/test_init.py
+++ b/tests/components/geofency/test_init.py
@@ -117,7 +117,7 @@ def mock_dev_track(mock_device_tracker_conf):
 
 
 @pytest.fixture
-async def geofency_client(loop, hass, hass_client_no_auth):
+async def geofency_client(event_loop, hass, hass_client_no_auth):
     """Geofency mock client (unauthenticated)."""
 
     assert await async_setup_component(
@@ -130,7 +130,7 @@ async def geofency_client(loop, hass, hass_client_no_auth):
 
 
 @pytest.fixture(autouse=True)
-async def setup_zones(loop, hass):
+async def setup_zones(event_loop, hass):
     """Set up Zone config in HA."""
     assert await async_setup_component(
         hass,
diff --git a/tests/components/google_assistant/test_google_assistant.py b/tests/components/google_assistant/test_google_assistant.py
index 3fd35846d7e..97484f31341 100644
--- a/tests/components/google_assistant/test_google_assistant.py
+++ b/tests/components/google_assistant/test_google_assistant.py
@@ -42,8 +42,9 @@ def auth_header(hass_access_token):
 
 
 @pytest.fixture
-def assistant_client(loop, hass, hass_client_no_auth):
+def assistant_client(event_loop, hass, hass_client_no_auth):
     """Create web client for the Google Assistant API."""
+    loop = event_loop
     loop.run_until_complete(
         setup.async_setup_component(
             hass,
@@ -66,8 +67,10 @@ def assistant_client(loop, hass, hass_client_no_auth):
 
 
 @pytest.fixture
-def hass_fixture(loop, hass):
+def hass_fixture(event_loop, hass):
     """Set up a Home Assistant instance for these tests."""
+    loop = event_loop
+
     # We need to do this to get access to homeassistant/turn_(on,off)
     loop.run_until_complete(setup.async_setup_component(hass, core.DOMAIN, {}))
 
diff --git a/tests/components/gpslogger/test_init.py b/tests/components/gpslogger/test_init.py
index 4d246cff589..77357065a1a 100644
--- a/tests/components/gpslogger/test_init.py
+++ b/tests/components/gpslogger/test_init.py
@@ -26,7 +26,7 @@ def mock_dev_track(mock_device_tracker_conf):
 
 
 @pytest.fixture
-async def gpslogger_client(loop, hass, hass_client_no_auth):
+async def gpslogger_client(event_loop, hass, hass_client_no_auth):
     """Mock client for GPSLogger (unauthenticated)."""
 
     assert await async_setup_component(hass, DOMAIN, {DOMAIN: {}})
@@ -38,7 +38,7 @@ async def gpslogger_client(loop, hass, hass_client_no_auth):
 
 
 @pytest.fixture(autouse=True)
-async def setup_zones(loop, hass):
+async def setup_zones(event_loop, hass):
     """Set up Zone config in HA."""
     assert await async_setup_component(
         hass,
diff --git a/tests/components/homekit/conftest.py b/tests/components/homekit/conftest.py
index b0422a40f72..2800dfb9be7 100644
--- a/tests/components/homekit/conftest.py
+++ b/tests/components/homekit/conftest.py
@@ -21,7 +21,7 @@ def iid_storage(hass):
 
 
 @pytest.fixture()
-def run_driver(hass, loop, iid_storage):
+def run_driver(hass, event_loop, iid_storage):
     """Return a custom AccessoryDriver instance for HomeKit accessory init.
 
     This mock does not mock async_stop, so the driver will not be stopped
@@ -41,12 +41,12 @@ def run_driver(hass, loop, iid_storage):
             bridge_name=BRIDGE_NAME,
             iid_storage=iid_storage,
             address="127.0.0.1",
-            loop=loop,
+            loop=event_loop,
         )
 
 
 @pytest.fixture
-def hk_driver(hass, loop, iid_storage):
+def hk_driver(hass, event_loop, iid_storage):
     """Return a custom AccessoryDriver instance for HomeKit accessory init."""
     with patch("pyhap.accessory_driver.AsyncZeroconf"), patch(
         "pyhap.accessory_driver.AccessoryEncoder"
@@ -65,12 +65,12 @@ def hk_driver(hass, loop, iid_storage):
             bridge_name=BRIDGE_NAME,
             iid_storage=iid_storage,
             address="127.0.0.1",
-            loop=loop,
+            loop=event_loop,
         )
 
 
 @pytest.fixture
-def mock_hap(hass, loop, iid_storage, mock_zeroconf):
+def mock_hap(hass, event_loop, iid_storage, mock_zeroconf):
     """Return a custom AccessoryDriver instance for HomeKit accessory init."""
     with patch("pyhap.accessory_driver.AsyncZeroconf"), patch(
         "pyhap.accessory_driver.AccessoryEncoder"
@@ -93,7 +93,7 @@ def mock_hap(hass, loop, iid_storage, mock_zeroconf):
             bridge_name=BRIDGE_NAME,
             iid_storage=iid_storage,
             address="127.0.0.1",
-            loop=loop,
+            loop=event_loop,
         )
 
 
diff --git a/tests/components/http/conftest.py b/tests/components/http/conftest.py
index c796ec50b51..ed2c78bafd7 100644
--- a/tests/components/http/conftest.py
+++ b/tests/components/http/conftest.py
@@ -3,6 +3,6 @@ import pytest
 
 
 @pytest.fixture
-def aiohttp_client(loop, aiohttp_client, socket_enabled):
+def aiohttp_client(event_loop, aiohttp_client, socket_enabled):
     """Return aiohttp_client and allow opening sockets."""
     return aiohttp_client
diff --git a/tests/components/http/test_cors.py b/tests/components/http/test_cors.py
index 599df194195..8de081c840a 100644
--- a/tests/components/http/test_cors.py
+++ b/tests/components/http/test_cors.py
@@ -49,12 +49,12 @@ async def mock_handler(request):
 
 
 @pytest.fixture
-def client(loop, aiohttp_client):
+def client(event_loop, aiohttp_client):
     """Fixture to set up a web.Application."""
     app = web.Application()
     setup_cors(app, [TRUSTED_ORIGIN])
     app["allow_configured_cors"](app.router.add_get("/", mock_handler))
-    return loop.run_until_complete(aiohttp_client(app))
+    return event_loop.run_until_complete(aiohttp_client(app))
 
 
 async def test_cors_requests(client):
diff --git a/tests/components/image_processing/test_init.py b/tests/components/image_processing/test_init.py
index 9953df041ae..37f84fb971f 100644
--- a/tests/components/image_processing/test_init.py
+++ b/tests/components/image_processing/test_init.py
@@ -15,7 +15,7 @@ from tests.common import assert_setup_component, async_capture_events
 
 
 @pytest.fixture
-def aiohttp_unused_port(loop, aiohttp_unused_port, socket_enabled):
+def aiohttp_unused_port(event_loop, aiohttp_unused_port, socket_enabled):
     """Return aiohttp_unused_port and allow opening sockets."""
     return aiohttp_unused_port
 
diff --git a/tests/components/litejet/test_trigger.py b/tests/components/litejet/test_trigger.py
index 152d11b0c23..86713b51489 100644
--- a/tests/components/litejet/test_trigger.py
+++ b/tests/components/litejet/test_trigger.py
@@ -113,12 +113,12 @@ async def test_held_more_than_short(hass, calls, mock_litejet):
         {
             "platform": "litejet",
             "number": ENTITY_OTHER_SWITCH_NUMBER,
-            "held_more_than": {"milliseconds": "200"},
+            "held_more_than": {"milliseconds": "2000"},
         },
     )
 
     await simulate_press(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
-    await simulate_time(hass, mock_litejet, timedelta(seconds=0.1))
+    await simulate_time(hass, mock_litejet, timedelta(seconds=1))
     await simulate_release(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 0
 
@@ -130,13 +130,13 @@ async def test_held_more_than_long(hass, calls, mock_litejet):
         {
             "platform": "litejet",
             "number": ENTITY_OTHER_SWITCH_NUMBER,
-            "held_more_than": {"milliseconds": "200"},
+            "held_more_than": {"milliseconds": "2000"},
         },
     )
 
     await simulate_press(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 0
-    await simulate_time(hass, mock_litejet, timedelta(seconds=0.3))
+    await simulate_time(hass, mock_litejet, timedelta(seconds=3))
     assert len(calls) == 1
     assert calls[0].data["id"] == 0
     await simulate_release(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
@@ -150,12 +150,12 @@ async def test_held_less_than_short(hass, calls, mock_litejet):
         {
             "platform": "litejet",
             "number": ENTITY_OTHER_SWITCH_NUMBER,
-            "held_less_than": {"milliseconds": "200"},
+            "held_less_than": {"milliseconds": "2000"},
         },
     )
 
     await simulate_press(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
-    await simulate_time(hass, mock_litejet, timedelta(seconds=0.1))
+    await simulate_time(hass, mock_litejet, timedelta(seconds=1))
     assert len(calls) == 0
     await simulate_release(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 1
@@ -169,13 +169,13 @@ async def test_held_less_than_long(hass, calls, mock_litejet):
         {
             "platform": "litejet",
             "number": ENTITY_OTHER_SWITCH_NUMBER,
-            "held_less_than": {"milliseconds": "200"},
+            "held_less_than": {"milliseconds": "2000"},
         },
     )
 
     await simulate_press(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 0
-    await simulate_time(hass, mock_litejet, timedelta(seconds=0.3))
+    await simulate_time(hass, mock_litejet, timedelta(seconds=3))
     assert len(calls) == 0
     await simulate_release(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 0
@@ -188,13 +188,13 @@ async def test_held_in_range_short(hass, calls, mock_litejet):
         {
             "platform": "litejet",
             "number": ENTITY_OTHER_SWITCH_NUMBER,
-            "held_more_than": {"milliseconds": "100"},
-            "held_less_than": {"milliseconds": "300"},
+            "held_more_than": {"milliseconds": "1000"},
+            "held_less_than": {"milliseconds": "3000"},
         },
     )
 
     await simulate_press(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
-    await simulate_time(hass, mock_litejet, timedelta(seconds=0.05))
+    await simulate_time(hass, mock_litejet, timedelta(seconds=0.5))
     await simulate_release(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 0
 
@@ -206,14 +206,14 @@ async def test_held_in_range_just_right(hass, calls, mock_litejet):
         {
             "platform": "litejet",
             "number": ENTITY_OTHER_SWITCH_NUMBER,
-            "held_more_than": {"milliseconds": "100"},
-            "held_less_than": {"milliseconds": "300"},
+            "held_more_than": {"milliseconds": "1000"},
+            "held_less_than": {"milliseconds": "3000"},
         },
     )
 
     await simulate_press(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 0
-    await simulate_time(hass, mock_litejet, timedelta(seconds=0.2))
+    await simulate_time(hass, mock_litejet, timedelta(seconds=2))
     assert len(calls) == 0
     await simulate_release(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 1
@@ -227,14 +227,14 @@ async def test_held_in_range_long(hass, calls, mock_litejet):
         {
             "platform": "litejet",
             "number": ENTITY_OTHER_SWITCH_NUMBER,
-            "held_more_than": {"milliseconds": "100"},
-            "held_less_than": {"milliseconds": "300"},
+            "held_more_than": {"milliseconds": "1000"},
+            "held_less_than": {"milliseconds": "3000"},
         },
     )
 
     await simulate_press(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 0
-    await simulate_time(hass, mock_litejet, timedelta(seconds=0.4))
+    await simulate_time(hass, mock_litejet, timedelta(seconds=4))
     assert len(calls) == 0
     await simulate_release(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 0
@@ -247,8 +247,8 @@ async def test_reload(hass, calls, mock_litejet):
         {
             "platform": "litejet",
             "number": ENTITY_OTHER_SWITCH_NUMBER,
-            "held_more_than": {"milliseconds": "100"},
-            "held_less_than": {"milliseconds": "300"},
+            "held_more_than": {"milliseconds": "1000"},
+            "held_less_than": {"milliseconds": "3000"},
         },
     )
 
@@ -260,7 +260,7 @@ async def test_reload(hass, calls, mock_litejet):
                 "trigger": {
                     "platform": "litejet",
                     "number": ENTITY_OTHER_SWITCH_NUMBER,
-                    "held_more_than": {"milliseconds": "1000"},
+                    "held_more_than": {"milliseconds": "10000"},
                 },
                 "action": {"service": "test.automation"},
             }
@@ -275,7 +275,7 @@ async def test_reload(hass, calls, mock_litejet):
 
     await simulate_press(hass, mock_litejet, ENTITY_OTHER_SWITCH_NUMBER)
     assert len(calls) == 0
-    await simulate_time(hass, mock_litejet, timedelta(seconds=0.5))
+    await simulate_time(hass, mock_litejet, timedelta(seconds=5))
     assert len(calls) == 0
-    await simulate_time(hass, mock_litejet, timedelta(seconds=1.25))
+    await simulate_time(hass, mock_litejet, timedelta(seconds=12.5))
     assert len(calls) == 1
diff --git a/tests/components/locative/test_init.py b/tests/components/locative/test_init.py
index 5f608803e4a..a0af04145b0 100644
--- a/tests/components/locative/test_init.py
+++ b/tests/components/locative/test_init.py
@@ -21,7 +21,7 @@ def mock_dev_track(mock_device_tracker_conf):
 
 
 @pytest.fixture
-async def locative_client(loop, hass, hass_client):
+async def locative_client(event_loop, hass, hass_client):
     """Locative mock client."""
     assert await async_setup_component(hass, DOMAIN, {DOMAIN: {}})
     await hass.async_block_till_done()
diff --git a/tests/components/meraki/test_device_tracker.py b/tests/components/meraki/test_device_tracker.py
index 47265444105..e95241cbbc7 100644
--- a/tests/components/meraki/test_device_tracker.py
+++ b/tests/components/meraki/test_device_tracker.py
@@ -15,8 +15,9 @@ from homeassistant.setup import async_setup_component
 
 
 @pytest.fixture
-def meraki_client(loop, hass, hass_client):
+def meraki_client(event_loop, hass, hass_client):
     """Meraki mock client."""
+    loop = event_loop
     assert loop.run_until_complete(
         async_setup_component(
             hass,
diff --git a/tests/components/modbus/test_init.py b/tests/components/modbus/test_init.py
index 73b1f9743c2..3b704eff161 100644
--- a/tests/components/modbus/test_init.py
+++ b/tests/components/modbus/test_init.py
@@ -16,6 +16,7 @@ from datetime import timedelta
 import logging
 from unittest import mock
 
+from freezegun.api import FrozenDateTimeFactory
 from pymodbus.exceptions import ModbusException
 from pymodbus.pdu import ExceptionResponse, IllegalFunctionRequest
 import pytest
@@ -542,6 +543,7 @@ async def mock_modbus_read_pymodbus_fixture(
     do_exception,
     caplog,
     mock_pymodbus,
+    freezer: FrozenDateTimeFactory,
 ):
     """Load integration modbus using mocked pymodbus."""
     caplog.clear()
@@ -573,16 +575,13 @@ async def mock_modbus_read_pymodbus_fixture(
             }
         ],
     }
-    now = dt_util.utcnow()
-    with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
-        assert await async_setup_component(hass, DOMAIN, config) is True
-        await hass.async_block_till_done()
+    assert await async_setup_component(hass, DOMAIN, config) is True
+    await hass.async_block_till_done()
     assert DOMAIN in hass.config.components
     assert caplog.text == ""
-    now = now + timedelta(seconds=DEFAULT_SCAN_INTERVAL + 60)
-    with mock.patch("homeassistant.helpers.event.dt_util.utcnow", return_value=now):
-        async_fire_time_changed(hass, now)
-        await hass.async_block_till_done()
+    freezer.tick(timedelta(seconds=DEFAULT_SCAN_INTERVAL + 60))
+    async_fire_time_changed(hass)
+    await hass.async_block_till_done()
     yield mock_pymodbus
 
 
@@ -690,7 +689,7 @@ async def test_pymodbus_connect_fail(hass, caplog, mock_pymodbus):
     assert ExceptionMessage in caplog.text
 
 
-async def test_delay(hass, mock_pymodbus):
+async def test_delay(hass, mock_pymodbus, freezer: FrozenDateTimeFactory):
     """Run test for startup delay."""
 
     # the purpose of this test is to test startup delay
@@ -720,11 +719,8 @@ async def test_delay(hass, mock_pymodbus):
     }
     mock_pymodbus.read_coils.return_value = ReadResult([0x01])
     start_time = dt_util.utcnow()
-    with mock.patch(
-        "homeassistant.helpers.event.dt_util.utcnow", return_value=start_time
-    ):
-        assert await async_setup_component(hass, DOMAIN, config) is True
-        await hass.async_block_till_done()
+    assert await async_setup_component(hass, DOMAIN, config) is True
+    await hass.async_block_till_done()
     assert hass.states.get(entity_id).state == STATE_UNKNOWN
 
     time_sensor_active = start_time + timedelta(seconds=2)
@@ -736,19 +732,15 @@ async def test_delay(hass, mock_pymodbus):
         # This test assumed listeners are always fired at 0
         # microseconds which is impossible in production so
         # we use 999999 microseconds to simulate the real world.
-        now += timedelta(seconds=1, microseconds=999999)
-        with mock.patch(
-            "homeassistant.helpers.event.dt_util.utcnow",
-            return_value=now,
-            autospec=True,
-        ):
-            async_fire_time_changed(hass, now)
-            await hass.async_block_till_done()
-            if now > time_sensor_active:
-                if now <= time_after_delay:
-                    assert hass.states.get(entity_id).state == STATE_UNAVAILABLE
-                elif now > time_after_scan:
-                    assert hass.states.get(entity_id).state == STATE_ON
+        freezer.tick(timedelta(seconds=1, microseconds=999999))
+        now = dt_util.utcnow()
+        async_fire_time_changed(hass, now)
+        await hass.async_block_till_done()
+        if now > time_sensor_active:
+            if now <= time_after_delay:
+                assert hass.states.get(entity_id).state == STATE_UNAVAILABLE
+            elif now > time_after_scan:
+                assert hass.states.get(entity_id).state == STATE_ON
 
 
 @pytest.mark.parametrize(
@@ -853,19 +845,20 @@ async def test_write_no_client(hass, mock_modbus):
 
 
 @pytest.mark.parametrize("do_config", [{}])
-async def test_integration_reload(hass, caplog, mock_modbus):
+async def test_integration_reload(
+    hass, caplog, mock_modbus, freezer: FrozenDateTimeFactory
+):
     """Run test for integration reload."""
 
     caplog.set_level(logging.INFO)
     caplog.clear()
 
     yaml_path = get_fixture_path("configuration.yaml", "modbus")
-    now = dt_util.utcnow()
     with mock.patch.object(hass_config, "YAML_CONFIG_FILE", yaml_path):
         await hass.services.async_call(DOMAIN, SERVICE_RELOAD, blocking=True)
         await hass.async_block_till_done()
         for i in range(4):
-            now = now + timedelta(seconds=1)
-            async_fire_time_changed(hass, now)
+            freezer.tick(timedelta(seconds=1))
+            async_fire_time_changed(hass)
             await hass.async_block_till_done()
     assert "Modbus reloading" in caplog.text
diff --git a/tests/components/motioneye/test_camera.py b/tests/components/motioneye/test_camera.py
index 3e2db3bf897..d70405cd297 100644
--- a/tests/components/motioneye/test_camera.py
+++ b/tests/components/motioneye/test_camera.py
@@ -62,7 +62,7 @@ from tests.common import async_fire_time_changed
 
 
 @pytest.fixture
-def aiohttp_server(loop, aiohttp_server, socket_enabled):
+def aiohttp_server(event_loop, aiohttp_server, socket_enabled):
     """Return aiohttp_server and allow opening sockets."""
     return aiohttp_server
 
@@ -218,7 +218,7 @@ async def test_get_still_image_from_camera(
 ) -> None:
     """Test getting a still image."""
 
-    image_handler = Mock(return_value="")
+    image_handler = AsyncMock(return_value="")
 
     app = web.Application()
     app.add_routes(
@@ -258,7 +258,7 @@ async def test_get_still_image_from_camera(
 async def test_get_stream_from_camera(aiohttp_server: Any, hass: HomeAssistant) -> None:
     """Test getting a stream."""
 
-    stream_handler = Mock(return_value="")
+    stream_handler = AsyncMock(return_value="")
     app = web.Application()
     app.add_routes([web.get("/", stream_handler)])
     stream_server = await aiohttp_server(app)
@@ -341,7 +341,7 @@ async def test_camera_option_stream_url_template(
     """Verify camera with a stream URL template option."""
     client = create_mock_motioneye_client()
 
-    stream_handler = Mock(return_value="")
+    stream_handler = AsyncMock(return_value="")
     app = web.Application()
     app.add_routes([web.get(f"/{TEST_CAMERA_NAME}/{TEST_CAMERA_ID}", stream_handler)])
     stream_server = await aiohttp_server(app)
@@ -371,7 +371,7 @@ async def test_camera_option_stream_url_template(
     # the expected exception, then verify the right handler was called.
     with pytest.raises(HTTPBadGateway):
         await async_get_mjpeg_stream(hass, Mock(), TEST_CAMERA_ENTITY_ID)
-    assert stream_handler.called
+    assert AsyncMock.called
     assert not client.get_camera_stream_url.called
 
 
diff --git a/tests/components/nest/conftest.py b/tests/components/nest/conftest.py
index 458685cde70..db89063553f 100644
--- a/tests/components/nest/conftest.py
+++ b/tests/components/nest/conftest.py
@@ -82,7 +82,7 @@ class FakeAuth(AbstractAuth):
 
 
 @pytest.fixture
-def aiohttp_client(loop, aiohttp_client, socket_enabled):
+def aiohttp_client(event_loop, aiohttp_client, socket_enabled):
     """Return aiohttp_client and allow opening sockets."""
     return aiohttp_client
 
diff --git a/tests/components/nest/test_api.py b/tests/components/nest/test_api.py
index 7d88ba1d329..a998a08d0c4 100644
--- a/tests/components/nest/test_api.py
+++ b/tests/components/nest/test_api.py
@@ -53,7 +53,9 @@ async def test_auth(hass, aioclient_mock):
     # Prepare to capture credentials for Subscriber
     captured_creds = None
 
-    async def async_new_subscriber(creds, subscription_name, loop, async_callback):
+    async def async_new_subscriber(
+        creds, subscription_name, event_loop, async_callback
+    ):
         """Capture credentials for tests."""
         nonlocal captured_creds
         captured_creds = creds
@@ -112,7 +114,9 @@ async def test_auth_expired_token(hass, aioclient_mock):
     # Prepare to capture credentials for Subscriber
     captured_creds = None
 
-    async def async_new_subscriber(creds, subscription_name, loop, async_callback):
+    async def async_new_subscriber(
+        creds, subscription_name, event_loop, async_callback
+    ):
         """Capture credentials for tests."""
         nonlocal captured_creds
         captured_creds = creds
diff --git a/tests/components/recorder/test_util.py b/tests/components/recorder/test_util.py
index 54f9bb9b9f2..ecdd729a163 100644
--- a/tests/components/recorder/test_util.py
+++ b/tests/components/recorder/test_util.py
@@ -110,7 +110,7 @@ def test_validate_or_move_away_sqlite_database(hass, tmpdir, caplog):
 
 
 async def test_last_run_was_recently_clean(
-    loop, async_setup_recorder_instance: SetupRecorderInstanceT, tmp_path
+    event_loop, async_setup_recorder_instance: SetupRecorderInstanceT, tmp_path
 ):
     """Test we can check if the last recorder run was recently clean."""
     config = {
diff --git a/tests/components/rss_feed_template/test_init.py b/tests/components/rss_feed_template/test_init.py
index ffdb4e5ba9a..0ed22ac84fa 100644
--- a/tests/components/rss_feed_template/test_init.py
+++ b/tests/components/rss_feed_template/test_init.py
@@ -8,8 +8,9 @@ from homeassistant.setup import async_setup_component
 
 
 @pytest.fixture
-def mock_http_client(loop, hass, hass_client):
+def mock_http_client(event_loop, hass, hass_client):
     """Set up test fixture."""
+    loop = event_loop
     config = {
         "rss_feed_template": {
             "testfeed": {
diff --git a/tests/components/skybell/__init__.py b/tests/components/skybell/__init__.py
index dd162ed5d80..fc049adcc3d 100644
--- a/tests/components/skybell/__init__.py
+++ b/tests/components/skybell/__init__.py
@@ -1,7 +1,5 @@
 """Tests for the SkyBell integration."""
 
-from unittest.mock import AsyncMock, patch
-
 from homeassistant.const import CONF_EMAIL, CONF_PASSWORD
 
 USERNAME = "user"
@@ -12,19 +10,3 @@ CONF_CONFIG_FLOW = {
     CONF_EMAIL: USERNAME,
     CONF_PASSWORD: PASSWORD,
 }
-
-
-def _patch_skybell_devices() -> None:
-    mocked_skybell = AsyncMock()
-    mocked_skybell.user_id = USER_ID
-    return patch(
-        "homeassistant.components.skybell.config_flow.Skybell.async_get_devices",
-        return_value=[mocked_skybell],
-    )
-
-
-def _patch_skybell() -> None:
-    return patch(
-        "homeassistant.components.skybell.config_flow.Skybell.async_send_request",
-        return_value={"id": USER_ID},
-    )
diff --git a/tests/components/skybell/conftest.py b/tests/components/skybell/conftest.py
new file mode 100644
index 00000000000..46337f612e1
--- /dev/null
+++ b/tests/components/skybell/conftest.py
@@ -0,0 +1,25 @@
+"""Test setup for the SkyBell integration."""
+
+from unittest.mock import AsyncMock, patch
+
+from aioskybell import Skybell, SkybellDevice
+from pytest import fixture
+
+from . import USER_ID
+
+
+@fixture(autouse=True)
+def skybell_mock():
+    """Fixture for our skybell tests."""
+    mocked_skybell_device = AsyncMock(spec=SkybellDevice)
+
+    mocked_skybell = AsyncMock(spec=Skybell)
+    mocked_skybell.async_get_devices.return_value = [mocked_skybell_device]
+    mocked_skybell.async_send_request.return_value = {"id": USER_ID}
+    mocked_skybell.user_id = USER_ID
+
+    with patch(
+        "homeassistant.components.skybell.config_flow.Skybell",
+        return_value=mocked_skybell,
+    ), patch("homeassistant.components.skybell.Skybell", return_value=mocked_skybell):
+        yield mocked_skybell
diff --git a/tests/components/skybell/test_config_flow.py b/tests/components/skybell/test_config_flow.py
index 9b7afd12c93..318819246a3 100644
--- a/tests/components/skybell/test_config_flow.py
+++ b/tests/components/skybell/test_config_flow.py
@@ -2,6 +2,7 @@
 from unittest.mock import patch
 
 from aioskybell import exceptions
+from pytest import fixture
 
 from homeassistant import config_entries
 from homeassistant.components.skybell.const import DOMAIN
@@ -10,43 +11,39 @@ from homeassistant.const import CONF_PASSWORD, CONF_SOURCE
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
 
-from . import (
-    CONF_CONFIG_FLOW,
-    PASSWORD,
-    USER_ID,
-    _patch_skybell,
-    _patch_skybell_devices,
-)
+from . import CONF_CONFIG_FLOW, PASSWORD, USER_ID
 
 from tests.common import MockConfigEntry
 
 
-def _patch_setup_entry() -> None:
-    return patch(
+@fixture(autouse=True)
+def setup_entry() -> None:
+    """Make sure component doesn't initialize."""
+    with patch(
         "homeassistant.components.skybell.async_setup_entry",
         return_value=True,
-    )
+    ):
+        yield
 
 
 async def test_flow_user(hass: HomeAssistant) -> None:
     """Test that the user step works."""
-    with _patch_skybell(), _patch_skybell_devices(), _patch_setup_entry():
-        result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": SOURCE_USER}
-        )
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
 
-        assert result["type"] == FlowResultType.FORM
-        assert result["step_id"] == "user"
+    assert result["type"] == FlowResultType.FORM
+    assert result["step_id"] == "user"
 
-        result = await hass.config_entries.flow.async_configure(
-            result["flow_id"],
-            user_input=CONF_CONFIG_FLOW,
-        )
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input=CONF_CONFIG_FLOW,
+    )
 
-        assert result["type"] == FlowResultType.CREATE_ENTRY
-        assert result["title"] == "user"
-        assert result["data"] == CONF_CONFIG_FLOW
-        assert result["result"].unique_id == USER_ID
+    assert result["type"] == FlowResultType.CREATE_ENTRY
+    assert result["title"] == "user"
+    assert result["data"] == CONF_CONFIG_FLOW
+    assert result["result"].unique_id == USER_ID
 
 
 async def test_flow_user_already_configured(hass: HomeAssistant) -> None:
@@ -57,50 +54,48 @@ async def test_flow_user_already_configured(hass: HomeAssistant) -> None:
     )
 
     entry.add_to_hass(hass)
-    with _patch_skybell(), _patch_skybell_devices():
-        result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": SOURCE_USER}, data=CONF_CONFIG_FLOW
-        )
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}, data=CONF_CONFIG_FLOW
+    )
 
     assert result["type"] == FlowResultType.ABORT
     assert result["reason"] == "already_configured"
 
 
-async def test_flow_user_cannot_connect(hass: HomeAssistant) -> None:
+async def test_flow_user_cannot_connect(hass: HomeAssistant, skybell_mock) -> None:
     """Test user initialized flow with unreachable server."""
-    with _patch_skybell() as skybell_mock:
-        skybell_mock.side_effect = exceptions.SkybellException(hass)
-        result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": SOURCE_USER}, data=CONF_CONFIG_FLOW
-        )
-        assert result["type"] == FlowResultType.FORM
-        assert result["step_id"] == "user"
-        assert result["errors"] == {"base": "cannot_connect"}
+    skybell_mock.async_initialize.side_effect = exceptions.SkybellException(hass)
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}, data=CONF_CONFIG_FLOW
+    )
+    assert result["type"] == FlowResultType.FORM
+    assert result["step_id"] == "user"
+    assert result["errors"] == {"base": "cannot_connect"}
 
 
-async def test_invalid_credentials(hass: HomeAssistant) -> None:
+async def test_invalid_credentials(hass: HomeAssistant, skybell_mock) -> None:
     """Test that invalid credentials throws an error."""
-    with patch("homeassistant.components.skybell.Skybell.async_login") as skybell_mock:
-        skybell_mock.side_effect = exceptions.SkybellAuthenticationException(hass)
-        result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": SOURCE_USER}, data=CONF_CONFIG_FLOW
-        )
+    skybell_mock.async_initialize.side_effect = (
+        exceptions.SkybellAuthenticationException(hass)
+    )
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}, data=CONF_CONFIG_FLOW
+    )
 
-        assert result["type"] == FlowResultType.FORM
-        assert result["step_id"] == "user"
-        assert result["errors"] == {"base": "invalid_auth"}
+    assert result["type"] == FlowResultType.FORM
+    assert result["step_id"] == "user"
+    assert result["errors"] == {"base": "invalid_auth"}
 
 
-async def test_flow_user_unknown_error(hass: HomeAssistant) -> None:
+async def test_flow_user_unknown_error(hass: HomeAssistant, skybell_mock) -> None:
     """Test user initialized flow with unreachable server."""
-    with _patch_skybell_devices() as skybell_mock:
-        skybell_mock.side_effect = Exception
-        result = await hass.config_entries.flow.async_init(
-            DOMAIN, context={"source": SOURCE_USER}, data=CONF_CONFIG_FLOW
-        )
-        assert result["type"] == FlowResultType.FORM
-        assert result["step_id"] == "user"
-        assert result["errors"] == {"base": "unknown"}
+    skybell_mock.async_initialize.side_effect = Exception
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}, data=CONF_CONFIG_FLOW
+    )
+    assert result["type"] == FlowResultType.FORM
+    assert result["step_id"] == "user"
+    assert result["errors"] == {"base": "unknown"}
 
 
 async def test_step_reauth(hass: HomeAssistant) -> None:
@@ -121,17 +116,15 @@ async def test_step_reauth(hass: HomeAssistant) -> None:
     assert result["type"] == FlowResultType.FORM
     assert result["step_id"] == "reauth_confirm"
 
-    with _patch_skybell(), _patch_skybell_devices(), _patch_setup_entry():
-
-        result = await hass.config_entries.flow.async_configure(
-            result["flow_id"],
-            user_input={CONF_PASSWORD: PASSWORD},
-        )
-        assert result["type"] == FlowResultType.ABORT
-        assert result["reason"] == "reauth_successful"
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={CONF_PASSWORD: PASSWORD},
+    )
+    assert result["type"] == FlowResultType.ABORT
+    assert result["reason"] == "reauth_successful"
 
 
-async def test_step_reauth_failed(hass: HomeAssistant) -> None:
+async def test_step_reauth_failed(hass: HomeAssistant, skybell_mock) -> None:
     """Test the reauth flow fails and recovers."""
     entry = MockConfigEntry(domain=DOMAIN, unique_id=USER_ID, data=CONF_CONFIG_FLOW)
     entry.add_to_hass(hass)
@@ -149,21 +142,22 @@ async def test_step_reauth_failed(hass: HomeAssistant) -> None:
     assert result["type"] == FlowResultType.FORM
     assert result["step_id"] == "reauth_confirm"
 
-    with patch("homeassistant.components.skybell.Skybell.async_login") as skybell_mock:
-        skybell_mock.side_effect = exceptions.SkybellAuthenticationException(hass)
-        result = await hass.config_entries.flow.async_configure(
-            result["flow_id"],
-            user_input={CONF_PASSWORD: PASSWORD},
-        )
+    skybell_mock.async_initialize.side_effect = (
+        exceptions.SkybellAuthenticationException(hass)
+    )
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={CONF_PASSWORD: PASSWORD},
+    )
 
-        assert result["type"] == FlowResultType.FORM
-        assert result["errors"] == {"base": "invalid_auth"}
+    assert result["type"] == FlowResultType.FORM
+    assert result["errors"] == {"base": "invalid_auth"}
 
-    with _patch_skybell(), _patch_skybell_devices(), _patch_setup_entry():
+    skybell_mock.async_initialize.side_effect = None
 
-        result = await hass.config_entries.flow.async_configure(
-            result["flow_id"],
-            user_input={CONF_PASSWORD: PASSWORD},
-        )
-        assert result["type"] == FlowResultType.ABORT
-        assert result["reason"] == "reauth_successful"
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={CONF_PASSWORD: PASSWORD},
+    )
+    assert result["type"] == FlowResultType.ABORT
+    assert result["reason"] == "reauth_successful"
diff --git a/tests/components/traccar/test_init.py b/tests/components/traccar/test_init.py
index 830670efc11..4c6c235a3aa 100644
--- a/tests/components/traccar/test_init.py
+++ b/tests/components/traccar/test_init.py
@@ -24,7 +24,7 @@ def mock_dev_track(mock_device_tracker_conf):
 
 
 @pytest.fixture(name="client")
-async def traccar_client(loop, hass, hass_client_no_auth):
+async def traccar_client(event_loop, hass, hass_client_no_auth):
     """Mock client for Traccar (unauthenticated)."""
 
     assert await async_setup_component(hass, DOMAIN, {DOMAIN: {}})
@@ -36,7 +36,7 @@ async def traccar_client(loop, hass, hass_client_no_auth):
 
 
 @pytest.fixture(autouse=True)
-async def setup_zones(loop, hass):
+async def setup_zones(event_loop, hass):
     """Set up Zone config in HA."""
     assert await async_setup_component(
         hass,
diff --git a/tests/conftest.py b/tests/conftest.py
index b6638968182..4dc988db8fc 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -5,6 +5,7 @@ import asyncio
 from collections.abc import AsyncGenerator, Callable, Generator
 from contextlib import asynccontextmanager
 import functools
+import gc
 import itertools
 from json import JSONDecoder, loads
 import logging
@@ -13,6 +14,7 @@ import ssl
 import threading
 from typing import Any
 from unittest.mock import AsyncMock, MagicMock, Mock, patch
+import warnings
 
 from aiohttp import client
 from aiohttp.pytest_plugin import AiohttpClient
@@ -188,12 +190,14 @@ util.get_local_ip = lambda: "127.0.0.1"
 
 
 @pytest.fixture(autouse=True)
-def verify_cleanup():
+def verify_cleanup(event_loop: asyncio.AbstractEventLoop):
     """Verify that the test has cleaned up resources correctly."""
     threads_before = frozenset(threading.enumerate())
-
+    tasks_before = asyncio.all_tasks(event_loop)
     yield
 
+    event_loop.run_until_complete(event_loop.shutdown_default_executor())
+
     if len(INSTANCES) >= 2:
         count = len(INSTANCES)
         for inst in INSTANCES:
@@ -204,6 +208,26 @@ def verify_cleanup():
     for thread in threads:
         assert isinstance(thread, threading._DummyThread)
 
+    # Warn and clean-up lingering tasks and timers
+    # before moving on to the next test.
+    tasks = asyncio.all_tasks(event_loop) - tasks_before
+    for task in tasks:
+        warnings.warn(f"Linger task after test {task}")
+        task.cancel()
+    if tasks:
+        event_loop.run_until_complete(asyncio.wait(tasks))
+
+    for handle in event_loop._scheduled:  # pylint: disable=protected-access
+        if not handle.cancelled():
+            warnings.warn(f"Lingering timer after test {handle}")
+            handle.cancel()
+
+    # Make sure garbage collect run in same test as allocation
+    # this is to mimic the behavior of pytest-aiohttp, and is
+    # required to avoid warnings from spilling over into next
+    # test case.
+    gc.collect()
+
 
 @pytest.fixture(autouse=True)
 def bcrypt_cost():
@@ -278,7 +302,7 @@ def aiohttp_client_cls():
 
 @pytest.fixture
 def aiohttp_client(
-    loop: asyncio.AbstractEventLoop,
+    event_loop: asyncio.AbstractEventLoop,
 ) -> Generator[AiohttpClient, None, None]:
     """Override the default aiohttp_client since 3.x does not support aiohttp_client_cls.
 
@@ -289,6 +313,7 @@ def aiohttp_client(
     aiohttp_client(server, **kwargs)
     aiohttp_client(raw_server, **kwargs)
     """
+    loop = event_loop
     clients = []
 
     async def go(
@@ -335,9 +360,10 @@ def hass_fixture_setup():
 
 
 @pytest.fixture
-def hass(hass_fixture_setup, loop, load_registries, hass_storage, request):
+def hass(hass_fixture_setup, event_loop, load_registries, hass_storage, request):
     """Fixture to provide a test instance of Home Assistant."""
 
+    loop = event_loop
     hass_fixture_setup.append(True)
 
     orig_tz = dt_util.DEFAULT_TIME_ZONE
@@ -382,7 +408,7 @@ def hass(hass_fixture_setup, loop, load_registries, hass_storage, request):
 
 
 @pytest.fixture
-async def stop_hass():
+async def stop_hass(event_loop):
     """Make sure all hass are stopped."""
     orig_hass = ha.HomeAssistant
 
@@ -403,6 +429,7 @@ async def stop_hass():
         with patch.object(hass_inst.loop, "stop"):
             await hass_inst.async_block_till_done()
             await hass_inst.async_stop(force=True)
+            await event_loop.shutdown_default_executor()
 
 
 @pytest.fixture
diff --git a/tests/helpers/test_script.py b/tests/helpers/test_script.py
index 519498f2e08..a5f3cc0cc91 100644
--- a/tests/helpers/test_script.py
+++ b/tests/helpers/test_script.py
@@ -8,7 +8,7 @@ import logging
 import operator
 from types import MappingProxyType
 from unittest import mock
-from unittest.mock import AsyncMock, patch
+from unittest.mock import AsyncMock, MagicMock, patch
 
 from async_timeout import timeout
 import pytest
@@ -1734,6 +1734,7 @@ async def test_condition_created_once(async_from_config, hass):
     )
 
     async_from_config.reset_mock()
+    async_from_config.return_value = MagicMock()
 
     hass.states.async_set("test.entity", "hello")
     await script_obj.async_run(context=Context())
diff --git a/tests/scripts/test_auth.py b/tests/scripts/test_auth.py
index 3ab19450879..a5478d149ec 100644
--- a/tests/scripts/test_auth.py
+++ b/tests/scripts/test_auth.py
@@ -108,7 +108,7 @@ async def test_change_password_invalid_user(hass, provider, capsys, hass_storage
         data.validate_login("invalid-user", "new-pass")
 
 
-def test_parsing_args(loop):
+def test_parsing_args(event_loop):
     """Test we parse args correctly."""
     called = False
 
diff --git a/tests/scripts/test_check_config.py b/tests/scripts/test_check_config.py
index 05ebb8fb0e5..fc35b28f7c9 100644
--- a/tests/scripts/test_check_config.py
+++ b/tests/scripts/test_check_config.py
@@ -43,7 +43,7 @@ def normalize_yaml_files(check_dict):
     return [key.replace(root, "...") for key in sorted(check_dict["yaml_files"].keys())]
 
 
-def test_bad_core_config(mock_is_file, loop):
+def test_bad_core_config(mock_is_file, event_loop):
     """Test a bad core config setup."""
     files = {YAML_CONFIG_FILE: BAD_CORE_CONFIG}
     with patch_yaml_files(files):
@@ -52,7 +52,7 @@ def test_bad_core_config(mock_is_file, loop):
         assert res["except"]["homeassistant"][1] == {"unit_system": "bad"}
 
 
-def test_config_platform_valid(mock_is_file, loop):
+def test_config_platform_valid(mock_is_file, event_loop):
     """Test a valid platform setup."""
     files = {YAML_CONFIG_FILE: BASE_CONFIG + "light:\n  platform: demo"}
     with patch_yaml_files(files):
@@ -65,7 +65,7 @@ def test_config_platform_valid(mock_is_file, loop):
         assert len(res["yaml_files"]) == 1
 
 
-def test_component_platform_not_found(mock_is_file, loop):
+def test_component_platform_not_found(mock_is_file, event_loop):
     """Test errors if component or platform not found."""
     # Make sure they don't exist
     files = {YAML_CONFIG_FILE: BASE_CONFIG + "beer:"}
@@ -96,7 +96,7 @@ def test_component_platform_not_found(mock_is_file, loop):
         assert len(res["yaml_files"]) == 1
 
 
-def test_secrets(mock_is_file, loop):
+def test_secrets(mock_is_file, event_loop):
     """Test secrets config checking method."""
     secrets_path = get_test_config_dir("secrets.yaml")
 
@@ -127,7 +127,7 @@ def test_secrets(mock_is_file, loop):
         ]
 
 
-def test_package_invalid(mock_is_file, loop):
+def test_package_invalid(mock_is_file, event_loop):
     """Test an invalid package."""
     files = {
         YAML_CONFIG_FILE: BASE_CONFIG + ("  packages:\n    p1:\n" '      group: ["a"]')
@@ -145,7 +145,7 @@ def test_package_invalid(mock_is_file, loop):
         assert len(res["yaml_files"]) == 1
 
 
-def test_bootstrap_error(loop):
+def test_bootstrap_error(event_loop):
     """Test a valid platform setup."""
     files = {YAML_CONFIG_FILE: BASE_CONFIG + "automation: !include no.yaml"}
     with patch_yaml_files(files):
diff --git a/tests/test_bootstrap.py b/tests/test_bootstrap.py
index e51f4d315ee..c8365c86a9a 100644
--- a/tests/test_bootstrap.py
+++ b/tests/test_bootstrap.py
@@ -460,7 +460,7 @@ async def test_setup_hass(
     mock_ensure_config_exists,
     mock_process_ha_config_upgrade,
     caplog,
-    loop,
+    event_loop,
 ):
     """Test it works."""
     verbose = Mock()
@@ -511,7 +511,7 @@ async def test_setup_hass_takes_longer_than_log_slow_startup(
     mock_ensure_config_exists,
     mock_process_ha_config_upgrade,
     caplog,
-    loop,
+    event_loop,
 ):
     """Test it works."""
     verbose = Mock()
@@ -553,7 +553,7 @@ async def test_setup_hass_invalid_yaml(
     mock_mount_local_lib_path,
     mock_ensure_config_exists,
     mock_process_ha_config_upgrade,
-    loop,
+    event_loop,
 ):
     """Test it works."""
     with patch(
@@ -581,7 +581,7 @@ async def test_setup_hass_config_dir_nonexistent(
     mock_mount_local_lib_path,
     mock_ensure_config_exists,
     mock_process_ha_config_upgrade,
-    loop,
+    event_loop,
 ):
     """Test it works."""
     mock_ensure_config_exists.return_value = False
@@ -608,7 +608,7 @@ async def test_setup_hass_safe_mode(
     mock_mount_local_lib_path,
     mock_ensure_config_exists,
     mock_process_ha_config_upgrade,
-    loop,
+    event_loop,
 ):
     """Test it works."""
     with patch("homeassistant.components.browser.setup") as browser_setup, patch(
@@ -641,7 +641,7 @@ async def test_setup_hass_invalid_core_config(
     mock_mount_local_lib_path,
     mock_ensure_config_exists,
     mock_process_ha_config_upgrade,
-    loop,
+    event_loop,
 ):
     """Test it works."""
     with patch(
@@ -669,7 +669,7 @@ async def test_setup_safe_mode_if_no_frontend(
     mock_mount_local_lib_path,
     mock_ensure_config_exists,
     mock_process_ha_config_upgrade,
-    loop,
+    event_loop,
 ):
     """Test we setup safe mode if frontend didn't load."""
     verbose = Mock()
diff --git a/tests/test_core.py b/tests/test_core.py
index 80f7c18d254..c5f153ad3bd 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -87,9 +87,9 @@ def test_async_add_hass_job_schedule_partial_callback():
     assert len(hass.add_job.mock_calls) == 0
 
 
-def test_async_add_hass_job_schedule_coroutinefunction(loop):
+def test_async_add_hass_job_schedule_coroutinefunction(event_loop):
     """Test that we schedule coroutines and add jobs to the job pool."""
-    hass = MagicMock(loop=MagicMock(wraps=loop))
+    hass = MagicMock(loop=MagicMock(wraps=event_loop))
 
     async def job():
         pass
@@ -100,9 +100,9 @@ def test_async_add_hass_job_schedule_coroutinefunction(loop):
     assert len(hass.add_job.mock_calls) == 0
 
 
-def test_async_add_hass_job_schedule_partial_coroutinefunction(loop):
+def test_async_add_hass_job_schedule_partial_coroutinefunction(event_loop):
     """Test that we schedule partial coros and add jobs to the job pool."""
-    hass = MagicMock(loop=MagicMock(wraps=loop))
+    hass = MagicMock(loop=MagicMock(wraps=event_loop))
 
     async def job():
         pass
@@ -128,9 +128,9 @@ def test_async_add_job_add_hass_threaded_job_to_pool():
     assert len(hass.loop.run_in_executor.mock_calls) == 1
 
 
-def test_async_create_task_schedule_coroutine(loop):
+def test_async_create_task_schedule_coroutine(event_loop):
     """Test that we schedule coroutines and add jobs to the job pool."""
-    hass = MagicMock(loop=MagicMock(wraps=loop))
+    hass = MagicMock(loop=MagicMock(wraps=event_loop))
 
     async def job():
         pass
@@ -1079,7 +1079,7 @@ async def test_bad_timezone_raises_value_error(hass):
         await hass.config.async_update(time_zone="not_a_timezone")
 
 
-async def test_start_taking_too_long(loop, caplog):
+async def test_start_taking_too_long(event_loop, caplog):
     """Test when async_start takes too long."""
     hass = ha.HomeAssistant()
     caplog.set_level(logging.WARNING)
@@ -1098,7 +1098,7 @@ async def test_start_taking_too_long(loop, caplog):
         assert hass.state == ha.CoreState.stopped
 
 
-async def test_track_task_functions(loop):
+async def test_track_task_functions(event_loop):
     """Test function to start/stop track task and initial state."""
     hass = ha.HomeAssistant()
     try:
diff --git a/tests/util/test_location.py b/tests/util/test_location.py
index d8d86965733..51cd8d4388f 100644
--- a/tests/util/test_location.py
+++ b/tests/util/test_location.py
@@ -32,7 +32,7 @@ async def session(hass):
 
 
 @pytest.fixture
-async def raising_session(loop):
+async def raising_session(event_loop):
     """Return an aioclient session that only fails."""
     return Mock(get=Mock(side_effect=aiohttp.ClientError))