Set cv hass in hass fixture (#77271)

* Set cv hass in hass fixture

* Move test_hass_cv and update docstring

* Update tests/test_test_fixtures.py

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

tests/conftest.py

@@ -329,6 +329,8 @@ def hass(loop, load_registries, hass_storage, request):
 
     exceptions = []
     hass = loop.run_until_complete(async_test_home_assistant(loop, load_registries))
+    ha._cv_hass.set(hass)
+
     orig_exception_handler = loop.get_exception_handler()
     loop.set_exception_handler(exc_handle)
 

tests/test_test_fixtures.py

@@ -4,6 +4,8 @@ import socket
 import pytest
 import pytest_socket
 
+from homeassistant.core import async_get_hass
+
 
 def test_sockets_disabled():
     """Test we can't open sockets."""
@@ -16,3 +18,12 @@ def test_sockets_enabled(socket_enabled):
     mysocket = socket.socket()
     with pytest.raises(pytest_socket.SocketConnectBlockedError):
         mysocket.connect(("127.0.0.2", 1234))
+
+
+async def test_hass_cv(hass):
+    """Test hass context variable.
+
+    When tests are using the `hass`, this tests that the hass context variable was set
+    in the fixture and that async_get_hass() works correctly.
+    """
+    assert async_get_hass() is hass