message: ci(aio): fail the build if the PWA score is too low
  Previously, there was an issue with testing the PWA score on staging and failing
  the build was temporarily disabled. It works now, so we need to enable failing
  the build is the score drops below some threshold.
diff: @@ -36,6 +36,5 @@ esac
  firebase deploy --message "Commit: $TRAVIS_COMMIT" --non-interactive --token "$firebaseToken"
  # Run PWA-score tests
  - # TODO(gkalpak): Figure out why this fails and re-enable.
  - yarn test-pwa-score -- "$deployedUrl" "$MIN_PWA_SCORE" "$PWA_RESULTS_LOG" || true
  + yarn test-pwa-score -- "$deployedUrl" "$MIN_PWA_SCORE" "$PWA_RESULTS_LOG"
  )
  