test.dart locates where the current branch branched off master and compares
the local testing results with the appropriate mainline builder results,
letting you know how the current change compares without the need for status
files.
Bug: https://github.com/dart-lang/sdk/issues/35086
Change-Id: Ib79479b867c5ac131302fea1bdf7effd0422a83a
Reviewed-on: https://dart-review.googlesource.com/c/83281
Reviewed-by: Alexander Thomas <athom@google.com>
Jonas Termansen
927f0937bd