Refs CVE-2020-13254 -- Fixed cache.tests when KEY_PREFIX is defined.
Follow up to
@@ -1275,7 +1275,7 @@ class BaseMemcachedTests(BaseCacheTests):
Whilst other backends merely warn, memcached should raise for an
invalid key.
"""
- msg = expected_warning.replace(key, ':1:%s' % key)
+ msg = expected_warning.replace(key, cache.make_key(key))
with self.assertRaisesMessage(InvalidCacheKey, msg):
cache.set(key, 'value')
