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
try
		{
			propHandle.addItem( rule );
			fail( );
		}
		catch ( SemanticException e )
		{
			assertEquals(
					SemanticError.DESIGN_EXCEPTION_CIRCULAR_ELEMENT_REFERNECE,
					e.getErrorCode( ) );
		}
		StyleHandle newStyle = designHandle.getElementFactory( ).newStyle(
				"newStyle" ); 
		newStyle.getColor( ).setValue( ColorPropertyType.RED );
		HighlightRule rule1 = StructureFactory.createHighlightRule( );
		rule1.setStyle( newStyle );
		assertEquals( ColorPropertyType.RED, rule1.getProperty( design,
				IStyleModel.COLOR_PROP ) );
		assertNotNull( rule1.getStyle( ) );
		propHandle = table.getPropertyHandle( IStyleModel.HIGHLIGHT_RULES_PROP );
		propHandle.addItem( rule1 );
		assertNull( rule1.getProperty( design, IStyleModel.COLOR_PROP ) );
		assertNull( rule1.getStyle( ) );
	}
	/**
	 * Tests set list value when map operator is 'in'.
	 * 
	 * @throws Exception
	 */
	public void testOperatorIn( ) throws Exception