code: def test_actual_results(params, X, arr_desired):
      """Test that the actual results are the expected ones."""
      imputer = InterpolationImputer(**params)
      arr_actual = imputer.fit_transform(X)
      np.testing.assert_allclose(
          arr_actual, arr_desired, rtol=0, atol=1e-5
      )
  
imports: import numpy
  import pytest
  import re
  from pyts.preprocessing import InterpolationImputer
label_desc: Use image node_id 2 for calling a global function with example usage: test_actual_results(params, X, arr_desired) without return types