Merge branch 'mk-fix-master-wiki-web-url-spec' into 'master'

Fix project wiki web_url spec

See merge request !13105

spec/models/project_wiki_spec.rb

@@ -21,7 +21,7 @@ describe ProjectWiki, models: true do
 
   describe '#web_url' do
     it 'returns the full web URL to the wiki' do
-      expect(subject.web_url).to eq("#{Gitlab.config.gitlab.url}/#{project.path_with_namespace}/wikis/home")
+      expect(subject.web_url).to match("https?://[^\/]+/#{project.path_with_namespace}/wikis/home")
     end
   end