[DOP-19924] Add a comment

Author: Ilyas Gasanov

docker-compose.test.yml

@@ -81,6 +81,7 @@ services:
     entrypoint: [python, -m, celery, -A, tests.test_integration.celery_test, worker, --max-tasks-per-child=1]
     env_file: .env.docker
     environment:
+      # CI runs tests in the worker container, so we need to turn off interaction with static files for it
       - SYNCMASTER__SERVER__STATIC_FILES__ENABLED=false
     volumes:
       - ./syncmaster:/app/syncmaster