designHandle.includeLibrary( LibA , "LibA" ); designHandle.includeLibrary( LibB , "LibB" );  TextItemHandle textDesignHandle = (TextItemHandle)designHandle.findElement( "text1" ); assertNotNull("Text should not be null", textDesignHandle); textDesignHandle.setProperty( StyleHandle.BACKGROUND_COLOR_PROP , null ); assertEquals( "#0000FF" , textDesignHandle.getStringProperty( "backgroundColor" ));  StyleHandle styleDesignHandle = (StyleHandle)designHandle.findStyle( "style1" ); assertNotNull("Style should not be null", styleDesignHandle); styleDesignHandle.drop();  designHandle.saveAs( outputFileName );
designHandle.includeLibrary( LibA, "LibA" ); designHandle.includeLibrary( LibB, "LibB" );
	public void testIncludeLibraryRule10( ) throws Exception	{		String fileName = "DesignIncludeLibraryTest.xml";		openDesign( fileName );		designHandle.includeLibrary( LibA , "LibA" );		designHandle.includeLibrary( LibB , "LibB" );				TextItemHandle textDesignHandle = (TextItemHandle)designHandle.findElement( "text1" );		assertNotNull("Text should not be null", textDesignHandle);  //$NON-NLS-1$		textDesignHandle.setProperty( StyleHandle.BACKGROUND_COLOR_PROP , null );		assertEquals( "#0000FF" , textDesignHandle.getStringProperty( "backgroundColor" ));				StyleHandle styleDesignHandle = (StyleHandle)designHandle.findStyle( "style1" );		assertNotNull("Style should not be null", styleDesignHandle);		styleDesignHandle.drop();				designHandle.saveAs( outputFileName );		TextItemHandle text2DesignHandle = (TextItemHandle)designHandle.findElement( "text1" );		assertNotNull("Text should not be null", text2DesignHandle);		assertEquals( null , textDesignHandle.getStringProperty( "backgroundColor" ));	}