def METHOD_NAME(engine):
    """most databases should be dropped using
    stop_test_class_outside_fixtures
    however a few tests like AttachedDBTest might not get triggered on
    that main hook
    """
    if os.path.exists(attach_path):
        os.remove(attach_path)
    filename = engine.url.database
    if filename and filename != ":memory:" and os.path.exists(filename):
        os.remove(filename)