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
{
		static final int NA = 0;
		static final int ADDED = 1;
		static final int REMOVED = 2;
		static final int SHIFTED = 3;
		static final int MOVED = 4;
		static final int CHANGE = 5;
		NotificationEvent event = null;
		int action = NA;
		int recieveChangeEvent = NA;
		IDesignElement content = null;
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.model.core.Listener#notify(org.eclipse.birt.report.model.core.DesignElement,
		 *      org.eclipse.birt.report.model.activity.NotificationEvent)
		 */
		public void elementChanged( DesignElementHandle focus,
				NotificationEvent ev )
		{
			if ( ev.getEventType( ) == NotificationEvent.CONTENT_EVENT )
			{
				event = ev;
				int newAcion = ( (ContentEvent) ev ).getAction( );
				content = ( (ContentEvent) ev ).getContent( );
				if ( action == REMOVED && newAcion == ContentEvent.ADD )
					action = MOVED;
				else
				{