public void testIsConverterSameWithMultiSelectionOneColumnConverterMultiSelection() {
DataLayer bodyDataLayer = (DataLayer) this.gridLayerStack.getBodyDataLayer();
this.natTable.registerLabelOnColumn(bodyDataLayer, 1, TEST_LABEL);
this.natTable.getConfigRegistry().registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new DefaultBooleanDisplayConverter(), DisplayMode.EDIT,
TEST_LABEL);
this.selectionLayer.selectCell(1, 1, false, true);
this.selectionLayer.selectCell(1, 2, false, true);
this.selectionLayer.selectCell(1, 3, false, true);