Add missing mock in notion tests (#88951)

tests/components/notion/conftest.py

@@ -1,4 +1,5 @@
 """Define fixtures for Notion tests."""
+from collections.abc import Generator
 import json
 from unittest.mock import AsyncMock, Mock, patch
 
@@ -13,6 +14,15 @@ TEST_USERNAME = "user@host.com"
 TEST_PASSWORD = "password123"
 
 
+@pytest.fixture
+def mock_setup_entry() -> Generator[AsyncMock, None, None]:
+    """Override async_setup_entry."""
+    with patch(
+        "homeassistant.components.notion.async_setup_entry", return_value=True
+    ) as mock_setup_entry:
+        yield mock_setup_entry
+
+
 @pytest.fixture(name="client")
 def client_fixture(data_bridge, data_sensor, data_task):
     """Define a fixture for an aionotion client."""