diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index e8dab21db..2e0b32ce2 100644
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -659,6 +659,7 @@ if (isTestInstance() === true) {
   JOB_ATTEMPTS['email'] = 1
 
   CACHE.VIDEO_CAPTIONS.MAX_AGE = 3000
+  MEMOIZE_TTL.OVERVIEWS_SAMPLE = 1
 }
 
 updateWebserverConfig()