def METHOD_NAME(self) -> None:
    @dataclass(frozen=True)
    class TestGroupType(GroupType):
        type_id = 1
        slug = "test"
        description = "Test"
        category = GroupCategory.ERROR.value
        ignore_limit = 0
    assert get_group_type_by_slug(TestGroupType.slug) == TestGroupType
    assert get_group_type_by_slug("meow") is None