def METHOD_NAME(
    self, tmpdir, old_classifier_brand: str, is_mapper: bool, expected_suffix: str
):
    """
    Given:
    - 'old_classifier_brand': Old classifier brand name.
    - 'is_mapper': Whether file created is mapper or classifier of 6_0_0 convention.
    When:
    - Creating the path to the newly classifier/mapper of 6_0_0 convention.
    Then:
    - Ensure the expected path is returned.
    """
    classifier_six_converter = ClassifierSixConverter(Pack(tmpdir))
    assert (
        classifier_six_converter.calculate_new_path(old_classifier_brand, is_mapper)
        == f"{tmpdir}/Classifiers/{expected_suffix}"
    )