Set QA_FAILURES_MAX_DIFF_RATIO to 0.15 in the CI config
I forgot to update the CI config in https://gitlab.com/gitlab-org/gitlab-qa/-/merge_requests/631.
Edited by George Koltsov
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
I forgot to update the CI config in https://gitlab.com/gitlab-org/gitlab-qa/-/merge_requests/631.