code: def testFlatExecutionInfoProvider_Output(self):
      m = module.DependencyModule()
      m.add_provider(di_providers.FlatExecutionInfoProvider(["foo"]))
      m.provide_value(
          data_types.ExecutionInfo(
              output_dict={
                  "foo": [Foo()],
              }
          )
      )
  
      result = m.get("foo", Foo)
      self.assertEqual(result, Foo())
  
imports: from collections.abc import Sequence
  from typing import Optional
  import tensorflow
  from tfx.orchestration.portable import data_types
  from tfx.orchestration.portable.execution import di_providers
  from tfx.types import artifact
  from tfx.utils.di import errors
  from tfx.utils.di import module
label_desc: Use image node_id 2 for calling the ProvidersTest obj's underlying member method code with example usage: obj.testFlatExecutionInfoProvider_Output() without return types