code: def test_Retroicor_inputs():
      input_map = dict(
          args=dict(
              argstr="%s",
          ),
          card=dict(
              argstr="-card %s",
              extensions=None,
              position=-2,
          ),
          cardphase=dict(
              argstr="-cardphase %s",
              extensions=None,
              hash_files=False,
              position=-6,
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          in_file=dict(
              argstr="%s",
              copyfile=False,
              extensions=None,
              mandatory=True,
              position=-1,
          ),
          num_threads=dict(
              nohash=True,
              usedefault=True,
          ),
          order=dict(
              argstr="-order %s",
              position=-5,
          ),
          out_file=dict(
              argstr="-prefix %s",
              extensions=None,
              name_source=["in_file"],
              name_template="%s_retroicor",
              position=1,
          ),
          outputtype=dict(),
          resp=dict(
              argstr="-resp %s",
              extensions=None,
              position=-3,
          ),
          respphase=dict(
              argstr="-respphase %s",
              extensions=None,
              hash_files=False,
              position=-7,
          ),
          threshold=dict(
              argstr="-threshold %d",
              position=-4,
          ),
      )
      inputs = Retroicor.input_spec()
  
      for key, metadata in list(input_map.items()):
          for metakey, value in list(metadata.items()):
              assert getattr(inputs.traits()[key], metakey) == value
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_Retroicor_inputs() without return types