Capture test results in PR workflow.

.github/workflows/pr-build-workflow.yml

@@ -28,3 +28,10 @@ jobs:
         uses: burrunan/gradle-cache-action@v1
         with:
           arguments: check
+
+      - name: Capture Test Results
+        uses: actions/upload-artifact@v2
+        with:
+          name: test-results
+          path: spring-rabbit/build/reports/tests
+          retention-days: 3