Bug 188829 Move the item ,the trans of the model don't close.
1:New report design. 2:Add a Embedded image. 3:Add another imge , then drag the second imge to the first position. 4:Change the size of the first image. Expected: Image change the size. Now: Image size don't change.
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/command/ContentCommandTest.java
* <li>The new position is the same as the original one.
	 * <li>test the moved content is not existed in this container.expected
	 * exception thrown
	 * <li>The undo & redo operation are not tested here. That were done in the
	 * testMovePosition().
	 * </ul>
	 * 
	 * @throws Exception
	 *             if any exception
	 */
	public void testMoveSamePosition( ) throws Exception
	{
		Label label = new Label( );
		FreeForm content = new FreeForm( );
		try
		{
			containerHandle.getSlot( 0 ).shift( label.getHandle( design ), 2 );
			fail( );
		}
		catch ( ContentException e )
		{
			assertEquals( ContentException.DESIGN_EXCEPTION_CONTENT_NOT_FOUND,
					e.getErrorCode( ) );
		}
		containerHandle.getSlot( 0 ).add( label.getHandle( design ) );
		containerHandle.getSlot( 0 ).add( content.getHandle( design ) );
		containerHandle.getSlot( 0 ).add( new Label( ).getHandle( design ) );
		containerHandle.getSlot( 0 ).shift( label.getHandle( design ), 3 );
		assertEquals( label, container.getSlot( 0 ).getContent( 2 ) );
		assertEquals( content, container.getSlot( 0 ).getContent( 0 ) );