Bug 163310 testRenderReportlet_complex_list() & testRenderReportlet_complex_table() in tests.engine fail
Details: testRenderReportlet_complex_list() & testRenderReportlet_complex_table() in tests.engine fail You can find the test case in org.eclipse.birt.report.tests.engine.api.RenderTaskTest.java "Failed to find instance id of LIST" & "Failed to find instance id of TABLE"
engine/org.eclipse.birt.report.engine.emitter.html/src/org/eclipse/birt/report/engine/emitter/html/MetadataEmitter.java
{
						return true;
					}
				}
			}
			parent = parent.getParent( );
		}
		return false;
	}
	
	private String getStyleClass( IContent content )
	{
		Object generateBy = content.getGenerateBy( );
		String styleName = null;
		if ( generateBy instanceof LabelItemDesign )
		{
			styleName = "birt-label-design";
		}
		else if ( generateBy instanceof DataItemDesign )
		{
			styleName = "birt-data-design";
		}
		else
		{
			//TO
			styleName = "birt-label-design";
		}
		return styleName;
	}
	private boolean needColumnFilter( ICellContent cell )