chore(test): проверить остановку записей и обновить backend стенда

deploy/docker-compose.test.yml

@@ -58,7 +58,7 @@ services:
       retries: 10
 
   backend:
-    image: mmapp-test/backend:${MMAPP_IMAGE_TAG:?set MMAPP_IMAGE_TAG}
+    image: mmapp-test/backend:${BACKEND_IMAGE_TAG:-${MMAPP_IMAGE_TAG:?set MMAPP_IMAGE_TAG}}
     container_name: mmapp-test-backend
     restart: unless-stopped
     logging: