Add 100% coverage to coordinator in Fritz (#180647)

tests/components/fritz/test_coordinator.py

@@ -527,6 +527,17 @@ async def test_trigger_methods(
     fritz_tools.fritz_call.hangup.assert_called_once()
 
 
+async def test_trigger_reconnect_reraises_unexpected_error(
+    fritz_tools,
+) -> None:
+    """Test async_trigger_reconnect re-raises errors other than DisconnectInProgress."""
+    fritz_tools.connection.call_action = MagicMock(
+        side_effect=FritzConnectionException("some other error")
+    )
+    with pytest.raises(FritzConnectionException):
+        await fritz_tools.async_trigger_reconnect()
+
+
 async def test_avmwrapper_service_call_branches(
     hass: HomeAssistant,
     caplog: pytest.LogCaptureFixture,