@Test
public void checkPerformanceWithSelectedCell() {

    uiModel.selectCell(1,
                       2);
    handler.perform(gridWidget,
                    true,
                    true);
    verify(dtPresenter,
           times(1)).onDeleteSelectedCells();
    verify(gridWidget,
           times(1)).startEditingCell(eq(1),
                                      eq(2));
}