1d99b136d4
This also removes some unused code in the assist processor test framework. Change-Id: I07fce90d2cc099f11a22fbaa66d2ed9a3b589af1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/417883 Commit-Queue: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Samuel Rawlins <srawlins@google.com>