**Describe the bug** Setting workerActivitiesPerSecond via setWorkerActivitiesPerSecond() does not perform any rate limiting. **To Reproduce** Is the issue reproducible? - Yes **Steps to reproduce the behavior:** 1. Write and run a workflow with rate limited Activity worker via setWorkerActivitiesPerSecond() 2. No rate limiting is performed at worker-level. **Expected behavior** WorkerActivitiesPerSecond to work according to the documentation. **Screenshots** N/A **Additional context** N/A