code: def test_input_request(self):
      msg = self.msg("input_request", {"prompt": "$>"})
      v4, v5 = self.adapt(msg)
      self.assertEqual(v5["content"]["prompt"], v4["content"]["prompt"])
      self.assertFalse(v5["content"]["password"])
  
imports: import copy
  import json
  from unittest import TestCase
  from jupyter_client.adapter import V4toV5, adapt, code_to_line
  from jupyter_client.session import Session
label_desc: Use image node_id 14 for calling the V4toV5TestCase obj's underlying member method code with example usage: obj.test_input_request() without return types