Retry if blackbox test fail.

.github/workflows/test.yml

@@ -108,7 +108,12 @@ jobs:
         run: docker build --tag srs:test --build-arg MAKEARGS='-j2' -f trunk/Dockerfile.test .
       # For blackbox-test
       - name: Run SRS blackbox-test
-        run: |
+        uses: nick-fields/retry@v3
+        with:
+          timeout_minutes: 60
+          max_attempts: 3
+          retry_on: error
+          command: |
             #docker run --rm -w /srs/trunk/3rdparty/srs-bench srs:test ./objs/srs_blackbox_test -test.v \
             #  -test.run 'TestFast_RtmpPublish_DvrFlv_Basic' -srs-log -srs-stdout srs-ffmpeg-stderr -srs-dvr-stderr \
             #  -srs-ffprobe-stdout