@Test
public void defaultConfigLabelsAreAdded() throws Exception {
ColumnOverrideLabelAccumulator labelAcc = new ColumnOverrideLabelAccumulator(
layerStackWithSummary);
labelAcc.registerColumnOverrides(0, "myLabel");
((ViewportLayer) layerStackWithSummary)
.setConfigLabelAccumulator(labelAcc);
LabelStack configLabels = natTable.getConfigLabelsByPosition(0, 4);
List<String> labels = configLabels.getLabels();