@Test
public void testGetPathApplicationIdString() {

  assertEquals("/proxy/application_6384623_0005", 
      ProxyUriUtils.getPath(BuilderUtils.newApplicationId(6384623l, 5), null));
  assertEquals("/proxy/application_6384623_0005/static/app",
      ProxyUriUtils.getPath(BuilderUtils.newApplicationId(6384623l, 5), "/static/app"));
  assertEquals("/proxy/application_6384623_0005/", 
      ProxyUriUtils.getPath(BuilderUtils.newApplicationId(6384623l, 5), "/"));
  assertEquals("/proxy/application_6384623_0005/some/path", 
      ProxyUriUtils.getPath(BuilderUtils.newApplicationId(6384623l, 5), "some/path"));
}