code: def test_input(self):
      test_input = "test"
  
      @self.cli.input(test_input)
      def dummy():
          return input("test prompt")
  
      result = dummy()
      assert test_input in result
  
imports: from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  from future import standard_library
  from builtins import input
  import os
  import sys
  import pytest
  import tempfile
  import platform
  from datmo.cli.driver.helper import Helper
  from datmo.core.util.exceptions import ArgumentError
  from datmo.cli.command.project import ProjectCommand
  from datmo.cli.command.snapshot import SnapshotCommand
  from datmo.cli.command.environment import EnvironmentCommand
label_desc: Use image node_id 4 for calling the TestHelper obj's underlying member method code with example usage: obj.test_input() and returns: input