Fix lingering tasks in nest tests (#166959)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

tests/components/nest/conftest.py

@@ -203,6 +203,16 @@ def mock_subscriber() -> YieldFixture[AsyncMock]:
         yield mock_subscriber
 
 
+@pytest.fixture
+def mock_subscriber_refresh() -> YieldFixture[None]:
+    """Fixture for mocking subscriber refresh."""
+    with patch(
+        "homeassistant.components.nest.api.GoogleNestSubscriber._async_run_refresh",
+        new=AsyncMock(),
+    ):
+        yield
+
+
 @pytest.fixture
 async def device_id() -> str:
     """Fixture to set default device id used when creating devices."""

tests/components/nest/test_config_flow.py

@@ -497,6 +497,7 @@ def mock_pubsub_api_responses_fixture(
         "user-managed-topic-existing-subscription",
     ],
 )
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_full_flow(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -641,6 +642,7 @@ async def test_full_flow(
         "user-managed-topic-existing-subscription",
     ],
 )
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_config_flow_restart(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -701,6 +703,7 @@ async def test_config_flow_restart(
     }
 
 
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 @pytest.mark.parametrize(("sdm_managed_topic"), [True])
 async def test_config_flow_wrong_project_id(
     hass: HomeAssistant,
@@ -763,6 +766,7 @@ async def test_config_flow_wrong_project_id(
     ("create_subscription_status"),
     [HTTPStatus.NOT_FOUND, HTTPStatus.INTERNAL_SERVER_ERROR, HTTPStatus.UNAUTHORIZED],
 )
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_config_flow_pubsub_create_subscription_failure(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -872,6 +876,7 @@ async def test_config_flow_pubsub_create_subscription_failure(
         ),
     ],
 )
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_multiple_config_entries(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -1026,6 +1031,7 @@ async def test_pubsub_subscriber_config_entry_reauth(
 
 
 @pytest.mark.parametrize(("sdm_managed_topic"), [(True)])
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_config_entry_title_from_home(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -1078,6 +1084,7 @@ async def test_config_entry_title_from_home(
         (False, {"selected_topic": "create_new_topic"}),
     ],
 )
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_config_entry_title_multiple_homes(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -1159,6 +1166,7 @@ async def test_title_failure_fallback(
 
 
 @pytest.mark.parametrize(("sdm_managed_topic"), [(True)])
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_structure_missing_trait(
     hass: HomeAssistant, oauth: OAuthFixture, auth: FakeAuth
 ) -> None:
@@ -1312,6 +1320,7 @@ async def test_dhcp_discovery_already_setup(
         "user-managed-select-existing-subscription",
     ],
 )
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_dhcp_discovery_with_creds(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -1407,6 +1416,7 @@ async def test_token_error(
         )
     ],
 )
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_existing_topic_and_subscription(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -1448,6 +1458,7 @@ async def test_existing_topic_and_subscription(
     }
 
 
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_no_eligible_topics(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -1520,6 +1531,7 @@ async def test_list_topics_failure(
     assert result.get("reason") == "pubsub_api_error"
 
 
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_create_topic_failed(
     hass: HomeAssistant,
     oauth: OAuthFixture,
@@ -1607,6 +1619,7 @@ async def test_create_topic_failed(
 
 
 @pytest.mark.parametrize(("sdm_managed_topic"), [(True)])
+@pytest.mark.usefixtures("mock_subscriber_refresh")
 async def test_list_subscriptions_failure(
     hass: HomeAssistant,
     oauth: OAuthFixture,