@Test
public void testEnableTestToolsEventInstanceNotAssigned() {

    when(scenarioGridColumnOne.isInstanceAssigned()).thenReturn(false);
    final EnableTestToolsEvent event = ScenarioSimulationGridHeaderUtilities.getEnableTestToolsEvent(scenarioGridMock,
                                                                                                     scenarioGridColumnOne,
                                                                                                     clickedScenarioHeaderMetadataMock,
                                                                                                     UI_COLUMN_INDEX,
                                                                                                     COLUMN_GROUP);
    assertThat(event.getFilterTerm()).isEqualTo(COLUMN_ONE_TITLE + ";" + COLUMN_TWO_TITLE + ";" + MULTIPART_VALUE);
    assertThat(event.isNotEqualsSearch()).isTrue();
}