code: def testCall_ResultConversion(self):
      @resolver_function.resolver_function(output_type={"x": X})
      def resolve():
          return {"x": DummyNode(resolver_op.DataType.ARTIFACT_LIST)}
  
      output = resolve()
      self.assertIsInstance(output, dict)
      self.assertIsInstance(
          output["x"], resolved_channel.ResolvedChannel
      )
      self.assertEqual(
          output["x"].invocation.function.__name__, "resolve"
      )
      self.assertIsInstance(
          output["x"].output_node, resolver_op.DictNode
      )
      self.assertEqual(output["x"].output_key, "x")
  
imports: from typing import Mapping, Set
  import tensorflow
  from tfx.dsl.control_flow import for_each
  from tfx.dsl.control_flow import for_each_internal
  from tfx.dsl.input_resolution import resolver_function
  from tfx.dsl.input_resolution import resolver_op
  import tfx.types
  from tfx.types import resolved_channel
  from tfx.utils import typing_utils
label_desc: Use image node_id 9 for calling the ResolverFunctionTest obj's underlying member method code with example usage: obj.testCall_ResultConversion() and returns: dict