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
.getPropertyHandle( MasterPage.HEIGHT_PROP );
		assertNotNull( propHandle );
		
		propHandle = groupElementHandle.getPropertyHandle( "columns" ); 
		assertNull( propHandle );
	}
	/**
	 * Test clear all properties.
	 * 
	 * @throws SemanticException
	 * 
	 */
	public void testClearAllProperties( ) throws SemanticException
	{
		ArrayList elements = new ArrayList( );
		LabelHandle element1 = elemFactory.newLabel( "label" ); 
		TextItemHandle element2 = elemFactory.newTextItem( "text" ); 
		element1.setComments( "New ReportItem" ); 
		element1.setHeight( "12pt" ); 
		element1.setWidth( "24pt" ); 
		element1.setAction( new Action( ) );
		element2.setComments( "New ReportItem" ); 
		element2.setHeight( "12pt" ); 
		element2.setWidth( "24mm" ); 
		element2.setContent( "New Text" ); 
		elements.add( element2 );
		elements.add( element1 );
		GroupElementHandle groupElementHandle = new SimpleGroupElementHandle(
				designHandle, elements );
		assertEquals( "12pt", groupElementHandle