@Test
@SuppressWarnings("unchecked")
public void testDefaultNodeMouseDoubleClickHandlers() {

    final List<NodeMouseEventHandler> handlers = scenarioGridSpy.getNodeMouseDoubleClickEventHandlers(scenarioGridLayerMock,
                                                                                                      scenarioGridLayerMock);
    assertEquals(1, handlers.size());
    assertTrue(handlers.get(0) instanceof ScenarioSimulationGridWidgetMouseEventHandler);
}