Add type hints to integration tests (part 18) (#88174)

tests/components/rtsp_to_webrtc/test_diagnostics.py

@@ -1,22 +1,24 @@
 """Test nest diagnostics."""
-
 from typing import Any
 
+from homeassistant.core import HomeAssistant
+
 from .conftest import ComponentSetup
 
 from tests.common import MockConfigEntry
 from tests.components.diagnostics import get_diagnostics_for_config_entry
+from tests.typing import ClientSessionGenerator
 
 THERMOSTAT_TYPE = "sdm.devices.types.THERMOSTAT"
 
 
 async def test_entry_diagnostics(
-    hass,
-    hass_client,
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
     config_entry: MockConfigEntry,
     rtsp_to_webrtc_client: Any,
     setup_integration: ComponentSetup,
-):
+) -> None:
     """Test config entry diagnostics."""
     await setup_integration()