code: func GetCredentials() (string, string) {
  	username := os.Getenv("CF_INT_USERNAME")
  	if username == "" {
  		username = "admin"
  	}
  	password := os.Getenv("CF_INT_PASSWORD")
  	if password == "" {
  		password = "admin"
  	}
  	return username, password
  }
docs: // GetCredentials returns back the username and the password.