code: def test_2d_pearson_colormap():
      Rank2D(
          algorithm="pearson",
          features=features,
          figsize=(12, 12),
          colormap="PuBuGn",
      ).feature_ranks(X)
  
imports: import matplotlib.pyplot
  import pytest
  import pandas
  import numpy
  from sklearn.datasets import load_iris
  from matplotlib.testing.decorators import image_comparison
  from sklearn_evaluation.plot import Rank1D, Rank2D
label_desc: Use image node_id 16 for calling a global function with example usage: test_2d_pearson_colormap() without return types