Revert MattermostNotificationService and SlackNotificationService to MattermostS… (!8240) · Merge requests · GitLab.org / GitLab FOSS · GitLab

Do not update/delete: Banner broadcast message test data

Do not update/delete: Notification broadcast message test data

Felipe Artur requested to merge issue_25889 into master Dec 21, 2016

closes #25889 (closed)