Merge branch 'stable-2.14' into stable-2.15

* stable-2.14:
  Fix Sonar code smell issue
  ConfigurationTest: Replace unnecessary member with local variable
  RateLimitUploadPackIT: Remove unnecessary method parameter list
  RateLimitUploadPackIT: Make private methods access explicit
  RateLimitUploadPackIT: Remove duplication for username

Change-Id: I4647a885148ac75a8075243c789f0c7b3c0ad926