def METHOD_NAME():
    METHOD_NAME = unittest.TestSuite()
    METHOD_NAME.addTest(unittest.makeSuite(SimpleCacheTestCase))
    METHOD_NAME.addTest(unittest.makeSuite(FileSystemCacheTestCase))
    if redis is not None:
        METHOD_NAME.addTest(unittest.makeSuite(RedisCacheTestCase))
    if memcache is not None:
        METHOD_NAME.addTest(unittest.makeSuite(MemcachedCacheTestCase))
    return METHOD_NAME