@Test
public void testRefreshColumnsPage() {

    dtPresenter.refreshColumnsPage();
    verify(refreshAttributesPanelEvent).fire(any(RefreshAttributesPanelEvent.class));
    verify(refreshMetaDataPanelEvent).fire(any(RefreshMetaDataPanelEvent.class));
    verify(refreshConditionsPanelEvent).fire(any(RefreshConditionsPanelEvent.class));
    verify(refreshActionsPanelEvent).fire(any(RefreshActionsPanelEvent.class));
}