Revise upload commands

Author: peterson-tim-j

.github/workflows/test-coverage.yaml

@@ -38,10 +38,25 @@ jobs:
           covr::to_cobertura(cov)
         shell: Rscript {0}
 
-      # Optional: Upload coverage artifact for GitHub inspection
-      - name: Save coverage artifacts
+      - uses: codecov/codecov-action@v5
+        with:
+          # Fail if error if not on PR, or if on PR and token is given
+          fail_ci_if_error: ${{ github.event_name != 'pull_request' || secrets.CODECOV_TOKEN }}
+          files: ./cobertura.xml
+          plugins: noop
+          disable_search: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+
+      - name: Show testthat output
+        if: always()
+        run: |
+          ## --------------------------------------------------------------------
+          find '${{ runner.temp }}/package' -name 'testthat.Rout*' -exec cat '{}' \; || true
+        shell: bash
+
+      - name: Upload test results
+        if: failure()
         uses: actions/upload-artifact@v4
         with:
-          name: coverage
-          path: coverage*.json
-          if-no-files-found: ignore
+          name: coverage-test-failures
+          path: ${{ runner.temp }}/package