@Test
public void mkdirShortPathTest() throws IOException, AlluxioException {

  InterpreterResult output = alluxioInterpreter.interpret("mkdir /root/testFile1", null);
  boolean existsDir = fs.exists(new AlluxioURI("/root/testFile1"));
  Assert.assertEquals(
          "Successfully created directory /root/testFile1\n\n",
          output.message());
  Assert.assertTrue(existsDir);
}