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
* @throws Exception
	 *             if any error occurs
	 * 
	 */
	public void testAddCompoundElement( ) throws Exception
	{
		
		CascadingParameterGroup cascadingGroup = new CascadingParameterGroup(
				"cas1" ); 
		ScalarParameter param1 = new ScalarParameter( "param1" ); 
		cascadingGroup.add( param1, CascadingParameterGroup.PARAMETERS_SLOT );
		ScalarParameter param2 = new ScalarParameter( "param2" ); 
		cascadingGroup.add( param2, CascadingParameterGroup.PARAMETERS_SLOT );
		testCopyAndPasteCompoundElement( cascadingGroup );
	}
	/**
	 * Test cases:
	 * 
	 * 1. If add an compound element to the design tree, names of nest elements
	 * should also be added into the name space. This method creates new
	 * elements by using factory.
	 * 
	 * @throws Exception
	 *             if any error occurs
	 * 
	 */
	public void testAddCompoundElementFromHandle( ) throws Exception
	{
		CascadingParameterGroupHandle cascadingGroupHandle = factory
				.newCascadingParameterGroup( "cas1" );