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
* <td>Add content into a container. Undo and redo the operation</td>
 * <td>After undo and redo both of the reference status and the element status
 * can be recovered.</td>
 * </tr>
 * <tr>
 * <td>{@link #testUndoRedoAfterRemove()}</td>
 * <td>drop a content which has 'extends', 'name' property and a style.Undo and
 * redo the operation</td>
 * <td>After undo and redo both of the reference status and the element status
 * can be recovered.</td>
 * </tr>
 * <tr>
 * <td>{@link #testSendNotifications()}</td>
 * <td>Test the notification.</td>
 * <td>The event can be created and send out.</td>
 * </tr>
 * 
 * <tr>
 * <td>{@link #testMove()}</td>
 * <td>Test
 * {@link SlotHandle#move(DesignElementHandle, DesignElementHandle, int, int)}
 * </td>
 * <td>Move an element from one container to another at the specified position.
 * </td>
 * </tr>
 * 
 * </table>
 * 
 */
public class ContentCommandTest extends BaseTestCase