@Test
public void validateDmnPath_Invalid() {

    KieAssetsDropdownItem item = new KieAssetsDropdownItem("DMNFile", "", "", null);
    when(settingsScenarioSimulationDropdownMock.getValue()).thenReturn(Optional.of(item));
    settingsPresenterSpy.validateSimulation();
    verify(settingsScenarioSimulationDropdownMock, times(1)).getValue();
    verify(dmnFilePathErrorLabelStyleMock, times(1)).setDisplay(eq(Style.Display.INLINE));
    verify(dmnFilePathErrorLabelMock, times(1)).setInnerText(eq(ScenarioSimulationEditorConstants.INSTANCE.chooseValidDMNAsset()));
    verify(settingsSpy, never()).setDmnFilePath(anyString());
    verify(eventBusMock, never()).fireEvent(isA(ValidateSimulationEvent.class));
}