BackgroundGridModel extends AbstractScesimGridModel<Background, BackgroundData> { @Override public Range getInstanceLimits(int columnIndex) { return getInstanceLimits(columnIndex, 0); } private  BackgroundGridModel();  BackgroundGridModel(boolean isMerged); @Override GridWidget getGridWidget(); @Override Range getInstanceLimits(int columnIndex); @Override void insertRowGridOnly(final int rowIndex,
                                  final GridRow row,
                                  final BackgroundData abstractScesimData);  }
@Test public void getInstanceLimits() { final GridData.Range retrieved = backgroundGridModelSpy.getInstanceLimits(1); assertNotNull(retrieved); assertEquals(0, retrieved.getMinRowIndex()); assertEquals(3, retrieved.getMaxRowIndex()); }