code: def __helper(self, single_turn_api_call):
      e = TodStructuredEpisode(
          api_schemas_machine=API_SCHEMA__ONE_CALL_MATCH_THREE_KEYS,
          rounds=[
              TodStructuredRound(api_call_machine=single_turn_api_call)
          ],
      )
      helper = TodMetricsTestHelper(e)
      helper.run()
      return helper.report()
  
imports: import unittest
  from parlai.core.tod.tod_core import STANDARD_API_NAME_SLOT, STANDARD_REQUIRED_KEY, STANDARD_OPTIONAL_KEY, TodStructuredRound, TodStructuredEpisode, TodAgentType, TOD_AGENT_TYPE_TO_PREFIX
  from parlai.core.tod.world_metrics import TodMetrics
  from parlai.core.tod.world_metrics_handlers import METRICS_HANDLER_CLASSES_TEST_REGISTRY
  import projects.tod_simulator.world_metrics.extended_world_metrics
label_desc: Use image node_id 1 for calling the TestApiCallMalformedMetricsHandler obj's underlying member method code with example usage: obj.__helper(single_turn_api_call) and returns: helper