Store Tractive data in config_entry.runtime_data (#116781)

Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: Maciej Bieniek <478555+bieniu@users.noreply.github.com>
Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>

tests/components/tractive/test_diagnostics.py

@@ -0,0 +1,31 @@
+"""Test the Tractive diagnostics."""
+
+from unittest.mock import AsyncMock, patch
+
+from syrupy import SnapshotAssertion
+
+from homeassistant.components.tractive.const import DOMAIN
+from homeassistant.core import HomeAssistant
+from homeassistant.setup import async_setup_component
+
+from tests.common import MockConfigEntry
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+from tests.typing import ClientSessionGenerator
+
+
+async def test_entry_diagnostics(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    snapshot: SnapshotAssertion,
+    mock_tractive_client: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test config entry diagnostics."""
+    mock_config_entry.add_to_hass(hass)
+    with patch("homeassistant.components.tractive.PLATFORMS", []):
+        assert await async_setup_component(hass, DOMAIN, {})
+    result = await get_diagnostics_for_config_entry(
+        hass, hass_client, mock_config_entry
+    )
+
+    assert result == snapshot