code: def test_default():
      geos = ccrs.RotatedGeodetic(30, 15, 27)
      other_args = {
          "datum=WGS84",
          "ellps=WGS84",
          "lon_0=210",
          "o_lat_p=15",
          "o_lon_p=27",
      } | common_other_args
      check_proj_params("ob_tran", geos, other_args)
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_default() without return types