code: def test_creation_and_hydration():
      key = "my_key"
      value = "my_value"
      input_tag = InputTag(key, value)
      _check(input_tag, key, value)
  
      as_dict = {
          "key": key,
          "value": value,
      }
      assert dict(input_tag) == as_dict
  
      proto = input_tag.to_proto()
      input_tag2 = InputTag.from_proto(proto)
      _check(input_tag2, key, value)
  
      input_tag3 = InputTag.from_dictionary(as_dict)
      _check(input_tag3, key, value)
  
label_desc: Use image node_id 2 for calling a global function with example usage: test_creation_and_hydration() without return types