fixup! Remove support for ruby 2.4, 2.5 and beak up large models spec file

Author: ctran

.github/workflows/ci.yml

@@ -33,5 +33,5 @@ jobs:
       - name: Run Tests
         run: INTEGRATION_TESTS=1 bundle exec rspec
 
-      # - name: Rubocop
-      #   run: bundle exec rubocop
+      - name: Rubocop
+        run: bundle exec rubocop