Bug 206850 [Regression] Error pops up when select value for a map or highlight rule to group header row [0302]
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/api/HighlightRuleHandleTest.java
{
	private static final String inputFile = "HighlightRuleHandleTest.xml"; 
	/**
	 * Tested cases:
	 * 
	 * <ul>
	 * <li>The getProperty() algorithm. If the structure member has no local
	 * value, uses values of the referred style.
	 * <li>The back reference must be right for undo/redo.
	 * <li>The back reference must be right if the style member is set to a new
	 * value.
	 * <li>Circular references must throw exceptions.
	 * </ul>
	 * 
	 * @throws Exception
	 */
	public void testStyle( ) throws Exception
	{
		openDesign( inputFile );
		StyleHandle style2 = designHandle.findStyle( "My Style2" );