def test_idmaker_duplicated_empty_str(self) -> None:
        """Regression test for empty strings parametrized more than once (#11563)."""
        result = IdMaker(
            ("a",), [pytest.param(""), pytest.param("")], None, None, None, None, None
        ).make_unique_parameterset_ids()
        assert result == ["0", "1"]
Regression test for empty strings parametrized more than once (#11563).
testing/python/metafunc.py