Bug 186940 Style name in theme cannot be identify by auto when reopen the library[01]
Description: Style name in theme cannot be identify by auto when reopen the library[01] Step: 1.Open a library and add a theme 2.New a style on the theme and use the default name that is "NewStyle" 3.Save the library, close it and reopen it again. 4.New another style on the same theme Actual result: The default style name on second times is also "NewStyle" Exception result: The default style name on second times is "NewStyle1"
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/api/GroupElementHandleTest.java
assertEquals( null, groupElementHandle.getStringProperty( Label.X_PROP ) );
	}
	/**
	 * Tests getting report design and its handle from a group element handle.
	 * 
	 * @throws SemanticException
	 */
	public void testGetDesign( ) throws SemanticException
	{
		DesignElementHandle handle1 = elemFactory
				.newGraphicMasterPage( "page1" ); 
		DesignElementHandle handle2 = elemFactory.newSimpleMasterPage( "page2" ); 
		ArrayList elements = new ArrayList( );
		elements.add( handle1 );
		elements.add( handle2 );
		GroupElementHandle groupElementHandle = new SimpleGroupElementHandle(
				designHandle, elements );
		assertEquals( design, groupElementHandle.getModule( ) );
		assertEquals( designHandle, groupElementHandle.getModuleHandle( ) );
	}
	/**
	 * Test visiblePropertyIterator().
	 * 
	 * @throws SemanticException
	 */
	public void testPropertyVisibilities( ) throws SemanticException
	{
		
		ArrayList elements = new ArrayList( );