code: def testOpCreate_DictArg_ConvertedToDictNode(self):
      result = Bar({"foo": ManyArtifacts()})
      self.assertEqual(repr(result), "Bar(Dict(foo=ManyArtifacts()))")
  
imports: import copy
  from typing import Optional, Mapping, Set
  import tensorflow
  from tfx.dsl.input_resolution import resolver_op
  import tfx.types
  from tfx.types import standard_artifacts
label_desc: Use image node_id 13 for calling the ResolverOpTest obj's underlying member method code with example usage: obj.testOpCreate_DictArg_ConvertedToDictNode() without return types