Bug 194843 Cross tab Cube - Cannot delete a dimension using the cube builder
- Open the attached report design - Delete the "Region" group. Current behavior - Does now allow me to delete the group.
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/command/ContentCommandTest.java
* Tests add functions. Test Case:
	 * 
	 * <ul>
	 * <li>the target container is not a container;
	 * <li>Trying to add more than one content into a slot when slot can only
	 * hold one
	 * <li>the content type is not match with the container
	 * </ul>
	 * 
	 * @throws Exception
	 *             if any exception
	 */
	public void testAdd( ) throws Exception
	{
		
		Cell cell = new Cell( );
		Label child = new Label( );
		Label label = new Label( );
		containerHandle.getSlot( 0 ).add( label.getHandle( design ) );
		
		cell.getHandle( design ).getSlot( 0 ).add( child.getHandle( design ) );
		
		assertNull( label.getHandle( design ).getSlot( 0 ) );
		
		
		try
		{
			SimpleMasterPageHandle pageHandle = designHandle
					.getElementFactory( ).newSimpleMasterPage( "simplepage" ); 
			designHandle.getMasterPages( ).add( pageHandle );