Bug 179629 After create a x-tab with a cube, a error occurs in Problems sheet[1102]
Description: After create a x-tab with a cube, a error occurs in Problems sheet[1102] Build number: 2.2.0.v20070328-0630 Steps to reproduce: 1, Create a cube 2, Create a x-tab using the cube 3, Check the error message in Problems sheet Expected result: No error occurs after create a x-tab Actual result: The error message is "The ExtendedItem must be able to access one data set."
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/extension/ReportItemExtensionTest.java
assertEquals(
				"center", groupHandle.getStringProperty( Style.BACKGROUND_POSITION_X_PROP ) ); 
		extendedHandle = (ExtendedItemHandle) designHandle
				.findElement( "predefined style item" ); 
		assertNotNull( extendedHandle );
		assertEquals( ColorPropertyType.BLUE, extendedHandle
				.getProperty( Style.COLOR_PROP ) );
		
		designHandle.getStyles( ).drop( 3 );
		assertEquals( ColorPropertyType.RED, extendedHandle
				.getProperty( Style.COLOR_PROP ) );
		save( );
		assertTrue( compareFile( goldenFileName_3) );
	}
	/**
	 * @throws DesignFileException
	 */
	public void testStylePropertiesFromGroupElementHandle( )
			throws DesignFileException
	{
		openDesign( fileName_3 );
		ExtendedItemHandle extendedHandle = (ExtendedItemHandle) designHandle
				.findElement( "right extended item" ); 
		assertNotNull( extendedHandle );
		ArrayList list = new ArrayList( );
		list.add( extendedHandle );
		GroupElementHandle groupHandle = new SimpleGroupElementHandle(
				designHandle, list );