@Test
public void testVelocity()  throws Exception  {

	
	StringWriter sw = new StringWriter();
/		p.pipeline(engine,new String[] {"first.vm","second.vm","three.vm"}, new HashMap(), sw);
	pipeline.pipeline("first.vm|second.vm | three.vm", new HashMap(), sw);
	System.out.println(sw.toString());
	String expected = "<html><head>second_override_content</head><body>first_override_content<three><second>first</second></three></body></html>";
	Assert.assertEquals(expected,sw.toString().replaceAll("\\s+", ""));
}