### Question:
DMNGridLayerControlImpl extends AbstractCanvasControl<AbstractCanvas> implements DMNGridLayerControl { @Override public DMNGridLayer getGridLayer() { return gridLayer; } DMNGridLayerControlImpl(); @Override void bind(final ClientSession session); @Override DMNGridLayer getGridLayer();  }### Answer:
@Test public void testGetGridLayer() { final DMNGridLayer gridLayer = control.getGridLayer(); assertEquals("GridLayer instances should be identical.", gridLayer, control.getGridLayer()); }