Re-use method for checking all Vue request are done

spec/support/wait_for_vue_resource.rb

 module WaitForVueResource
   def wait_for_vue_resource(spinner: true)
     Timeout.timeout(Capybara.default_max_wait_time) do
-      loop until page.evaluate_script('window.activeVueResources').zero?
+      loop until finished_all_vue_resource_requests?
     end
   end
 
+  private
+
   def finished_all_vue_resource_requests?
     return true unless javascript_test?