this.selectionLayer.setSelectedCell(0, 3);
assertEquals(0, this.selectionLayer.getLastSelectedCell().getColumnPosition());
assertEquals(3, this.selectionLayer.getLastSelectedCell().getRowPosition());
// open editor
this.natTable.doCommand(new EditSelectionCommand(this.natTable, this.natTable.getConfigRegistry()));
assertNotNull(this.natTable.getActiveCellEditor());
assertEquals(0, this.natTable.getActiveCellEditor().getColumnIndex());
assertEquals(3, this.natTable.getActiveCellEditor().getRowIndex());