Derive test resources instead of using `dup`
Derive test resources instead of using `dup`

harisadam/jsonapi-resources,togglepro/jsonapi-resources,jsmestad/jsonapi-resources,kevintraver/jsonapi-resources,AKHarris/jsonapi-resources,localytics/jsonapi-resources,cerebris/jsonapi-resources,Skeduna/jsonapi-resources,senid231/jsonapi-resources