def METHOD_NAME(cls):
    apath = os.path.join(ZEPHYR_BASE, 'scripts', 'twister')
    cls.loader = importlib.machinery.SourceFileLoader('__main__', apath)
    cls.spec = importlib.util.spec_from_loader(cls.loader.name, cls.loader)
    cls.twister_module = importlib.util.module_from_spec(cls.spec)