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
ReportItem.BOOKMARK_PROP ) );
		assertFalse( element.getExtDefn( ).isPropertyVisible( "test3" ) ); 
		assertTrue( element.getExtDefn( ).isPropertyReadOnly(
				ReportItem.DATA_SET_PROP ) );
		itemHandle = insertExtendedItem( "testTable1", TESTING_TABLE_NAME ); 
		assertNotNull( itemHandle
				.getPropertyDefn( IExtendedItemModel.EXTENSION_NAME_PROP ) );
		assertFalse( element.getExtDefn( ).isPropertyVisible(
				IExtendedItemModel.EXTENSION_NAME_PROP ) );
	}
	/**
	 * Tests opening the design file with wrong extension. The element behaves
	 * as an extended item.
	 * 
	 * @throws DesignFileException
	 * @throws SemanticException
	 */
	public void testOpenDesignFileWithWrongExtension( )
			throws DesignFileException, SemanticException
	{
		openDesign( fileName_4 );
		List list = designHandle.getErrorList( );
		assertEquals( 1, list.size( ) );
		int i = 0;
		assertEquals( SemanticError.DESIGN_EXCEPTION_EXTENSION_NOT_FOUND,
				( (ErrorDetail) list.get( i++ ) ).getErrorCode( ) );
		ExtendedItemHandle itemHandle = (ExtendedItemHandle) designHandle
				.findElement( "right extended item" ); 
		
		try