Bug 210496 Add hasStyle property in reportItemModel extension point
When chart gets reportItem's properties by extending ReportItem, style properties are null. Hence, model needs to add hasStyle property in reportItemModel extension point
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/extension/ReportItemExtensionTest.java
String expect = "Extended exception in TestingMatrix"; 		
		assertEquals( expect, localizedMessage );
	}
	/**
	 * Tests the display lable of the extension defined selector.
	 * 
	 * @throws Exception
	 */
	public void testSelectorDisplayLabel( ) throws Exception
	{
		createDesign( ULocale.ENGLISH );
		StyleHandle style = designHandle.getElementFactory( ).newStyle(
				"testing-matrix" ); 
		assertEquals( "Testing Matrix", style.getDisplayLabel( ) ); 
	}
	/**
	 * Tests the use-properties by call getPropertyDefns().
	 * 
	 * @throws Exception
	 */
	public void testGetPropertyDefns( ) throws Exception
	{
		openDesign( fileName_10, ULocale.ENGLISH );
		assertNotNull( designHandle );
		ExtendedItemHandle extendedItemHandle = (ExtendedItemHandle) designHandle
				.findElement( "testMatrixItem" ); 
		assertNotNull( extendedItemHandle );
		PropertyDefn defn = extendedItemHandle.getElement( ).getPropertyDefn(
				"abc" ); 
		assertNotNull( defn );