fixup! amend! ci(win test): deal better with hanging tests

Author: dscho

.github/workflows/main.yml

@@ -66,6 +66,7 @@ jobs:
       shell: bash
       run: ci/print-test-failures.sh
     - name: Upload failed/timed-out tests' directories
+      if: failure()
       uses: actions/upload-artifact@v3
       with:
         name: failed-tests-windows