Prevent 3rd party lib from opening sockets in broadlink tests (#55593)

tests/components/broadlink/test_device.py

@@ -2,6 +2,7 @@
 from unittest.mock import patch
 
 import broadlink.exceptions as blke
+import pytest
 
 from homeassistant.components.broadlink.const import DOMAIN
 from homeassistant.components.broadlink.device import get_domains
@@ -15,6 +16,13 @@ from tests.common import mock_device_registry, mock_registry
 DEVICE_FACTORY = "homeassistant.components.broadlink.device.blk.gendevice"
 
 
+@pytest.fixture(autouse=True)
+def mock_heartbeat():
+    """Mock broadlink heartbeat."""
+    with patch("homeassistant.components.broadlink.heartbeat.blk.ping"):
+        yield
+
+
 async def test_device_setup(hass):
     """Test a successful setup."""
     device = get_device("Office")

tests/components/broadlink/test_heartbeat.py

@@ -1,6 +1,8 @@
 """Tests for Broadlink heartbeats."""
 from unittest.mock import call, patch
 
+import pytest
+
 from homeassistant.components.broadlink.heartbeat import BroadlinkHeartbeat
 from homeassistant.util import dt
 
@@ -11,6 +13,13 @@ from tests.common import async_fire_time_changed
 DEVICE_PING = "homeassistant.components.broadlink.heartbeat.blk.ping"
 
 
+@pytest.fixture(autouse=True)
+def mock_heartbeat():
+    """Mock broadlink heartbeat."""
+    with patch("homeassistant.components.broadlink.heartbeat.blk.ping"):
+        yield
+
+
 async def test_heartbeat_trigger_startup(hass):
     """Test that the heartbeat is initialized with the first config entry."""
     device = get_device("Office")