Bug 214706 Script UID doens't work for Chart
Use chart "onRender" property handle and call ModuleUtil.getScriptUID(), it generates the id. But later use this id to get back the PropertyHandle or Script content, it fails.
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/util/XPathUtilTest.java
assertEquals(
				"/report/body/extended-item[@id=\"26\"]/property[@name=\"filter\"]/filter-condition-element/simple-property-list[@name=\"value1\"]/value[1]", 
				path );
	}
	/**
	 * @throws Exception
	 */
	public void testGetInstance( ) throws Exception
	{
		openDesign( INPUT_FILE );
		Object retValue = XPathUtil.getInstance( designHandle, "/report" ); 
		assertTrue( retValue instanceof ReportDesignHandle );
		retValue = XPathUtil.getInstance( designHandle,
				"/report/parameters/scalar-parameter" ); 
		assertTrue( retValue instanceof ScalarParameterHandle );
		retValue = XPathUtil.getInstance( designHandle,
				"/report/body/image[@id=\"9\"]" ); 
		assertTrue( retValue instanceof ImageHandle );
		retValue = XPathUtil.getInstance( designHandle,
				"/report/body/table/group/header/row" ); 
		assertTrue( retValue instanceof RowHandle );
		retValue = XPathUtil.getInstance( designHandle,
				"/report/body/table/group/header/row/" ); 
		assertTrue( retValue instanceof RowHandle );
		retValue = XPathUtil.getInstance( designHandle,
				"/report/body/table/group/header/row/*" ); 
		assertTrue( retValue instanceof RowHandle );
		retValue = XPathUtil.getInstance( designHandle,
				"/report/body/table/group/header/row[@slotName=\"cells\"]" ); 
		assertTrue( retValue instanceof SlotHandle );