@Test
public void testWithInputElement() throws ExecuteException, NotFoundException {

  List<String> params = new ArrayList<>();
  params.add("echo");
  params.add(pattern);
  MediaPackageElement element = MediaPackageElementBuilderFactory.newInstance().newElementBuilder()
          .elementFromURI(baseDirURI);
  String result = executor.doProcess(params, element, null, null);
  Assert.assertEquals(result, "");
}