CI: Output known modules

Author: bastelfreak

.github/workflows/tests.yaml

@@ -54,6 +54,8 @@ jobs:
       - name: Install modules
         if: steps.modules.outputs.cache-hit != 'true'
         run: bundle exec r10k puppetfile install
+      - name: list modules
+        run: bundle exec bundle exec puppet module list --modulepath=modules/
 
   cache_modules_windows:
     name: 'Windows: Generate module cache'
@@ -74,6 +76,9 @@ jobs:
       - name: Install modules
         if: steps.modules.outputs.cache-hit != 'true'
         run: bundle exec r10k puppetfile install
+      - name: list modules
+        run: bundle exec puppet module list --modulepath=modules/
+
   unit:
     needs:
       - rubocop_and_matrix