6578435eff
`Error` isn't a recognized name in this script. Updated to `RuntimeError` instead so we can see the errors when they are raised. Change-Id: I55c548c7cd07dc1980a31dc96d22acec326602a3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/111483 Commit-Queue: Nicholas Shahan <nshahan@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com>