ea5f45e02e
This ensures we exercise the `<app>.support.js` code in our tests and also catch it if a browser doesn't support what's needed (e.g. running tests on Safari with `js-string` builtin) Change-Id: Ib8874231d3aa82b598e0e206a2e27cb66775bbec Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/415882 Commit-Queue: Martin Kustermann <kustermann@google.com> Reviewed-by: Ömer Ağacan <omersa@google.com>