def METHOD_NAME(axis, how, X_many_na, X_many_na_expected):
    """Test expected results on a DataFrame with complete columns/rows missing."""
    transformer = DropNA(axis=axis, how=how, thresh=None)
    X_transformed = transformer.fit_transform(X_many_na)
    X_expected = X_many_na_expected[str(axis)][str(how)]
    _assert_array_almost_equal(X_transformed, X_expected)