def METHOD_NAME(self) -> None:
    assert bus.nice_join(["one"], conjuction="and") == "one"
    assert bus.nice_join(["one", "two"], conjuction="and") == "one and two"
    assert bus.nice_join(["one", "two", "three"], conjuction="and") == "one, two and three"
    assert bus.nice_join(["one", "two", "three", "four"], conjuction="and") == "one, two, three and four"