@Override
  public InterpreterResult interpret(String st, InterpreterContext context) {
    String[] lines = splitAndRemoveEmpty(st, "\n");
    return interpret(lines, context);
  }
@Test
  void mkdirTest() throws IOException, AlluxioException {
    String qualifiedPath =
            "alluxio://" + mLocalAlluxioCluster.getHostname() + ":"
                    + mLocalAlluxioCluster.getMasterRpcPort() + "/root/testFile1";
    InterpreterResult output = alluxioInterpreter.interpret("mkdir " + qualifiedPath, null);
    boolean existsDir = fs.exists(new AlluxioURI("/root/testFile1"));
    assertEquals(
            "Successfully created directory " + qualifiedPath + "\n\n",
            output.message().get(0).getData());
    assertTrue(existsDir);
  }