code: def df(self, rng):
      n = 50
      data = {
          "x": rng.choice([0.0, 1.0, 2.0, 3.0], n),
          "y": rng.normal(0, 1, n),
          "grp2": rng.choice(["a", "b"], n),
          "grp3": rng.choice(["x", "y", "z"], n),
          "width": 0.8,
          "baseline": 0,
      }
      return pd.DataFrame(data)
  
imports: from itertools import product
  import numpy
  import pandas
  from pandas.testing import assert_series_equal
  from numpy.testing import assert_array_equal, assert_array_almost_equal
  from seaborn._core.moves import Dodge, Jitter, Shift, Stack, Norm
  from seaborn._core.rules import categorical_order
  from seaborn._core.groupby import GroupBy
  import pytest
label_desc: Use image node_id 1 for calling the MoveFixtures obj's underlying member method code with example usage: obj.df(rng) and returns: pd