Add `api` prefix as a top level route in the spec.
Since 33dc5171, the word api
is no longer in the rails routes, but it still needs to be a reserved word. This adds it to the spec again.
This fixes failures like this one: https://gitlab.com/gitlab-org/gitlab-ce/-/jobs/24314583
Related: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12932
Edited by Bob Van Landuyt