code: def test_dropna_few_na(axis, how, X_few_na, X_few_na_expected):
      """Test expected results on a DataFrame with occasional missing."""
      transformer = DropNA(axis=axis, how=how, thresh=None)
      X_transformed = transformer.fit_transform(X_few_na)
      X_expected = X_few_na_expected[str(axis)][str(how)]
  
      _assert_array_almost_equal(X_transformed, X_expected)
  
file_path: sktime/sktime/transformations/series/tests/test_dropna.py
imports: import numpy
  import pytest
  from sktime.datasets import load_longley
  from sktime.transformations.series.dropna import DropNA
  from sktime.utils._testing.estimator_checks import _assert_array_almost_equal
label_desc: Use image node_id 5 for calling a global function with example usage: test_dropna_few_na(axis, how, X_few_na, X_few_na_expected) without return types