@Test
public void testBasic() throws Exception {

  Context context = new Context();
  context.put(UUIDInterceptor.HEADER_NAME, ID);
  context.put(UUIDInterceptor.PRESERVE_EXISTING_NAME, "true");
  Event event = new SimpleEvent();
  assertTrue(build(context).intercept(event).getHeaders().get(ID).length() > 0);
}