code: def test_fully_connected(self) -> None:
      # Intentionally used this long path to make sure we included it in __init__.py
      # pyre-fixme[28]: Unexpected keyword argument `FullyConnected`.
      chooser = ParametricDQNNetBuilder__Union(
          FullyConnected=parametric_dqn.fully_connected.FullyConnected()
      )
      self._test_parametric_dqn_net_builder(chooser)
  
file_path: ReAgent/reagent/test/net_builder/test_parametric_dqn_net_builder.py
imports: import unittest
  from reagent.core.fb_checker import IS_FB_ENVIRONMENT
  from reagent.core.parameters import NormalizationData, NormalizationParameters
  from reagent.net_builder import parametric_dqn
  from reagent.net_builder.unions import ParametricDQNNetBuilder__Union
  from reagent.preprocessing.identify_types import CONTINUOUS
label_desc: Use image node_id 2 for calling the TestParametricDQNNetBuilder obj's underlying member method code with example usage: obj.test_fully_connected() without return types