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
* @param itemHandle
	 *            the handle of extended item.
	 * @throws SemanticException
	 */
	private void testExtendedItemWithoutExtension( ExtendedItemHandle itemHandle )
			throws SemanticException
	{
		
		itemHandle.setStringProperty( ReportItem.Y_PROP, "12.5cm" ); 
		try
		{
			itemHandle.setStringProperty( "test2", 
					"the value of undefined property" ); 
			fail( );
		}
		catch ( PropertyNameException e )
		{
			assertEquals(
					PropertyNameException.DESIGN_EXCEPTION_PROPERTY_NAME_INVALID,
					e.getErrorCode( ) );
		}
		
		assertEquals( "12.5cm", itemHandle 
				.getStringProperty( ReportItem.Y_PROP ) );
		assertNull( itemHandle.getStringProperty( "test2" ) ); 
		
		IElementDefn elementDefn = itemHandle.getDefn( );
		assertEquals( elementDefn, MetaDataDictionary.getInstance( )
				.getElement( ReportDesignConstants.EXTENDED_ITEM ) );
		ExtendedItem element = (ExtendedItem) itemHandle.getElement( );