move quiz faker to new dev utilities location

test/test_helper.rb

@@ -8,6 +8,8 @@ SimpleCov.start 'rails' do
   add_group 'Services & Workers', %w(app/workers app/services)
   add_group "Jobs", 'app/jobs'
   add_group "Policies", 'app/policies'
+
+  add_filter "/lib/utils/" # no need to test dev only utility classes
 end
 
 require File.expand_path('../../config/environment', __FILE__)