maybe fix autoscaler tests

internal/internal_worker_test.go

@@ -413,6 +413,10 @@ func createWorkerWithThrottle(
 	workerOptions.WorkerActivitiesPerSecond = 20
 	workerOptions.TaskListActivitiesPerSecond = activitiesPerSecond
 	workerOptions.Logger = testlogger.NewZap(t)
+	if workerOptions.FeatureFlags.PollerAutoScalerEnabled {
+		// Autoscaller can cause concurrent writes in the test logger, so it is unsafe to use.
+		workerOptions.Logger = zap.NewNop()
+	}
 	workerOptions.EnableSessionWorker = true
 
 	// Start Worker.