Add env varible config for disabling the Chrome /dev/shm usage
Previously this was only controlled via the CI env variable
GitLab MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/74123
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Previously this was only controlled via the CI env variable
GitLab MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/74123