Flaky spec: "User creates wiki page when wiki is empty in a user namespace shows non-escaped link in the pages list" / spec/features/projects/wiki/user_creates_wiki_page_spec.rb:47

Job #193260059 failed for gitlab-ce@7e22054a361a33f65a7bd5c544a41642841dcb64:

  1) User creates wiki page when wiki is empty in a user namespace shows non-escaped link in the pages list
     Failure/Error: fill_in(:wiki_title, with: "one/two/three-test")

     Capybara::ElementNotFound:
       Unable to find visible field :wiki_title that is not disabled
     # ./spec/features/projects/wiki/user_creates_wiki_page_spec.rb:47:in `block (4 levels) in <top (required)>'

We should quarantine this.