message: Add smoke test for retrieving one code snippet from backend
diff: @@ -38,6 +38,13 @@ else
  EXIT=$((EXIT+1))
  fi
  +if curl "$1/snippets/directoryListingChallenge" -s | grep -q 'serveIndexMiddleware'; then
  + printf "\033[0;32mCode snippet smoke test passed!\033[0m\n"
  +else
  + printf "\033[0;31mCode snippet smoke test failed!\033[0m\n"
  + EXIT=$((EXIT+1))
  +fi
  +
  printf "Smoke tests exiting with code %s (" "$EXIT"
  if [ $EXIT -gt 0 ]; then
  printf "\033[0;31mFAILED\033[0m)\n"
  