Add wait_for_vue_resource where needed

features/steps/shared/issuable.rb

 module SharedIssuable
   include Spinach::DSL
+  include WaitForVueResource
 
   def edit_issuable
     find('.issuable-edit', visible: true).click
@@ -57,6 +58,7 @@ module SharedIssuable
   step 'I visit merge request page "Enterprise fix"' do
     mr = MergeRequest.find_by(title: 'Enterprise fix')
     visit namespace_project_merge_request_path(mr.target_project.namespace, mr.target_project, mr)
+    wait_for_vue_resource
   end
 
   step 'I visit issue page "Community issue"' do
@@ -91,6 +93,7 @@ module SharedIssuable
       from_project_name: 'Community',
       user_name: 'Mary Jane'
     )
+    wait_for_vue_resource
   end
 
   step 'I should see a note linking to "Enterprise issue" issue' do