code: def test_To3D_inputs():
      input_map = dict(
          args=dict(
              argstr="%s",
          ),
          assumemosaic=dict(
              argstr="-assume_dicom_mosaic",
          ),
          datatype=dict(
              argstr="-datum %s",
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          filetype=dict(
              argstr="-%s",
          ),
          funcparams=dict(
              argstr="-time:zt %s alt+z2",
          ),
          in_folder=dict(
              argstr="%s/*.dcm",
              mandatory=True,
              position=-1,
          ),
          num_threads=dict(
              nohash=True,
              usedefault=True,
          ),
          out_file=dict(
              argstr="-prefix %s",
              extensions=None,
              name_source=["in_folder"],
              name_template="%s",
          ),
          outputtype=dict(),
          skipoutliers=dict(
              argstr="-skip_outliers",
          ),
      )
      inputs = To3D.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_To3D_inputs() without return types