code: def test_ContrastMgr_inputs():
      input_map = dict(
          args=dict(
              argstr="%s",
          ),
          contrast_num=dict(
              argstr="-cope",
          ),
          corrections=dict(
              copyfile=False,
              extensions=None,
              mandatory=True,
          ),
          dof_file=dict(
              argstr="",
              copyfile=False,
              extensions=None,
              mandatory=True,
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          fcon_file=dict(
              argstr="-f %s",
              extensions=None,
          ),
          output_type=dict(),
          param_estimates=dict(
              argstr="",
              copyfile=False,
              mandatory=True,
          ),
          sigmasquareds=dict(
              argstr="",
              copyfile=False,
              extensions=None,
              mandatory=True,
              position=-2,
          ),
          suffix=dict(
              argstr="-suffix %s",
          ),
          tcon_file=dict(
              argstr="%s",
              extensions=None,
              mandatory=True,
              position=-1,
          ),
      )
      inputs = ContrastMgr.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_ContrastMgr_inputs() without return types