code: def test_FitDwi_outputs():
      output_map = dict(
          error_file=dict(
              extensions=None,
          ),
          famap_file=dict(
              extensions=None,
          ),
          mcmap_file=dict(
              extensions=None,
          ),
          mcout=dict(
              extensions=None,
          ),
          mdmap_file=dict(
              extensions=None,
          ),
          nodiff_file=dict(
              extensions=None,
          ),
          res_file=dict(
              extensions=None,
          ),
          rgbmap_file=dict(
              extensions=None,
          ),
          syn_file=dict(
              extensions=None,
          ),
          tenmap2_file=dict(
              extensions=None,
          ),
          tenmap_file=dict(
              extensions=None,
          ),
          v1map_file=dict(
              extensions=None,
          ),
      )
      outputs = FitDwi.output_spec()
  
      for key, metadata in list(output_map.items()):
          for metakey, value in list(metadata.items()):
              assert getattr(outputs.traits()[key], metakey) == value
  
label_desc: Use image node_id 2 for calling a global function with example usage: test_FitDwi_outputs() without return types