Add latest changes from gitlab-org/gitlab@master

spec/requests/api/appearance_spec.rb

spec/requests/api/applications_spec.rb

spec/requests/api/award_emoji_spec.rb

spec/requests/api/badges_spec.rb

spec/requests/api/boards_spec.rb

spec/requests/api/branches_spec.rb

spec/requests/api/broadcast_messages_spec.rb

spec/requests/api/commit_statuses_spec.rb

spec/requests/api/commits_spec.rb

spec/requests/api/deploy_keys_spec.rb

spec/requests/api/deployments_spec.rb

spec/requests/api/discussions_spec.rb

spec/requests/api/doorkeeper_access_spec.rb

spec/requests/api/environments_spec.rb

spec/requests/api/events_spec.rb

spec/requests/api/features_spec.rb

spec/requests/api/files_spec.rb

spec/services/issues/close_service_spec.rb

spec/services/merge_requests/merge_service_spec.rb

spec/services/projects/alerting/notify_service_spec.rb