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( null, extendedHandle.getElement( ).getLocalProperty(
				design, "test1" ) ); 
		
		ExtendedItemHandle parent = (ExtendedItemHandle) designHandle
				.findElement( "parent" ); 
		assertEquals( parent, extendedHandle.getExtends( ) );
		assertEquals( "choice2", parent.getProperty( "test5" ) ); 
		assertEquals( "choice1", extendedHandle.getProperty( "test5" ) ); 
	}
	/**
	 * Tests all the style property definition and style property values in
	 * ExtendedItem.
	 * 
	 * @throws Exception
	 */
	public void testStyleProperty( ) throws Exception
	{
		openDesign( fileName_3 );
		ExtendedItemHandle extendedHandle = (ExtendedItemHandle) designHandle
				.findElement( "right extended item" ); 
		assertNotNull( extendedHandle );
		
		
		assertEquals(
				"white", extendedHandle.getStringProperty( Style.BACKGROUND_COLOR_PROP ) ); 
		
		assertEquals( ColorPropertyType.BLUE, extendedHandle
				.getStringProperty( Style.COLOR_PROP ) );
		
		assertEquals(