combinationDataTable.column(2).filter(ComboBoxFilterInspector.class, "formID:featuresCombinationDataTableID:filter2").makeFiltering("<All>");
combinationDataTable.checkSelectedIndex(0);
combinationDataTable.column(3).filter(DropDownFieldFilterInspector.class, "formID:featuresCombinationDataTableID:filter3").makeFiltering("criterion_1,4,7");
combinationDataTable.checkSelectedIndex(0);
//get reference data for checking filtered data
List referenceDataAfterDropDownFilter = DataTableUtils.getFilteredValuesFeaturesCombinationTable("criterion_1,4,7");
int rowsQuantityDropDown = combinationDataTable.rowCount();
for (int i = 0; i < rowsQuantityDropDown; i++) {