adding a test, seeing where the files are stored

.riahub/workflows/workflow.yaml

@@ -78,6 +78,9 @@ jobs:
           name: checkpoints
           path: checkpoint_files/*
 
+      - name: List checkpoint directory
+        run: ls -lh checkpoint_files
+        
       - name: 4. Convert to ONNX file
         run: |
           mkdir -p onnx_files