Add test logic to check backup uploader logs

Signed-off-by: Jeffrey Tang <[email protected]>

.github/workflows/script/gcs_test.sh

@@ -73,3 +73,14 @@ cd ..; create_test_account ; cd -
 node examples/create-topic.js
 
 npm run solo-test -- node stop -i node1 -n "${SOLO_NAMESPACE}"
+
+# manually call script "backup.sh" from container backup-uploader since it only runs every 5 minutes
+kubectl exec network-node1-0 -c backup-uploader -n solo-e2e -- /backup.sh > /dev/null 2>&1
+
+# extra logs check if it include the message type "error"
+# example : {"level":"error","msg":"Updated modification time ......}
+kubectl logs network-node1-0 -c backup-uploader -n solo-e2e > backup-uploader.log
+if grep -q \""error\"" backup-uploader.log; then
+  echo "Backup uploader logs contain error message"
+  exit 1
+fi