public void getVisibleColumnEntries() throws Exception {
DefaultGridLayer gridLayer = new DefaultGridLayer(
RowDataListFixture.getList(),
RowDataListFixture.getPropertyNames(),
RowDataListFixture.getPropertyToLabelMap());
ColumnHideShowLayer columnHideShowLayer = gridLayer.getBodyLayer()
.getColumnHideShowLayer();
ColumnHeaderLayer columnHeaderLayer = gridLayer.getColumnHeaderLayer();
DataLayer columnHeaderDataLayer = (DataLayer) gridLayer
.getColumnHeaderDataLayer();