@Test
public void getBackgroundGridWidget() {

    ScenarioGridWidget retrieved = scenarioGridPanelProducer.getBackgroundGridWidget(eventBusMock);
    assertEquals(backgroundGridWidgetSpy, retrieved);
    verify(scenarioGridPanelProducer, times(1)).initGridWidget(eq(backgroundGridWidgetSpy), eq(backgroundGridPanelMock), eq(clickHandlerMock), eq(mouseMoveHandlerMock), eq(eventBusMock));
}