Fix account enrollment and operator callback flows with Redis scenarios

.drone.yml

@@ -26,6 +26,7 @@ steps:
       BOT_TOKEN: "123456:TEST_TOKEN_FOR_ISOLATED_TESTS"
       DATABASE_URL: "postgresql+asyncpg://lottery_test:lottery_test@postgres:5432/lottery_test"
       TEST_DATABASE_URL: "postgresql+asyncpg://lottery_test:lottery_test@postgres:5432/lottery_test"
+      TEST_REDIS_URL: "redis://redis:6379/15"
     commands:
       - pip install -r requirements-dev.txt
       - python scripts/wait_database.py
@@ -61,6 +62,9 @@ steps:
       status: [success]
 
 services:
+  - name: redis
+    image: redis:7-alpine
+
   - name: postgres
     image: postgres:16-alpine
     environment: