debug ubuntu tests

.github/workflows/python-tests.yml

@@ -39,6 +39,13 @@ jobs:
         run: |
           pip install pytest pytest-cov
           pytest --cov-report html --cov="." tests/
+        continue-on-error: true
+      - name: Upload artifacts
+        if: ${{matrix.os == 'ubuntu-latest' && matrix.python-version == '3.10'}}
+        uses: actions/upload-artifact@v3
+        with:
+          name: reference_files
+          path: ./tests/reference_files
       - name: Upload coverage data to smokeshow
         if: ${{matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'}} # upload coverage once
         run: |