Bug 187213 Provid a writer to serialize design in document without any white space.
Add a new writer for serialize design in document without any withe space.
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/writer/DocumentUtilTest.java
*/
	public void testTemplate( ) throws Exception
	{
		openDesign( "TemplateElementParserTest.xml" ); 
		assertNotNull( designHandle );
		serializeDocument( );
		assertTrue( compareFile( "DocumentUtilTest_golden_3.xml" ) );  
	}
	/**
	 * when serialize report design, the embedded image from library should be
	 * copied locally.
	 * 
	 * @throws Exception
	 */
	public void testSerializeWithEmbeddedImage( ) throws Exception
	{
		String string = "TestSerializeEmbeddeImage.xml"; 
		openDesign( string );
		assertNotNull( designHandle );
		serializeDocument( );
		assertTrue( compareFile( "DocumentUtilTest_golden_4.xml" ) );  
	}
	/**
	 * when there is a external resource file sets for this report, all report
	 * properties use the external string value should be saved into the report
	 * file after serialization. And the reource key should be set to null.
	 * 
	 * @throws Exception
	 * 
	 */