code: func GetIterations() int {
  	out := os.Getenv(teleport.IterationsEnvVar)
  	if out == "" {
  		return 1
  	}
  	iter, err := strconv.Atoi(out)
  	if err != nil {
  		panic(err)
  	}
  	log.Debugf("Starting tests with %v iterations.", iter)
  	return iter
  }
docs: // GetIterations provides a simple way to add iterations to the test
  // by setting environment variable "ITERATIONS", by default it returns 1