private DataLayer rowHeaderDataLayer;
private DataLayer cornerDataLayer;
@Before
public void setup() {
bodyDataLayer = new BaseDataLayerFixture();
columnHeaderDataLayer = new BaseDataLayerFixture();
rowHeaderDataLayer = new BaseDataLayerFixture();
cornerDataLayer = new BaseDataLayerFixture();
gridLayerUnderTest = new DefaultGridLayer(bodyDataLayer,
columnHeaderDataLayer, rowHeaderDataLayer, cornerDataLayer);
}