4603900569
We found cases where two or more of the mixins defined methods with the same name, which resulted in some tests not being run. This fixes that. Change-Id: Ie752e1c9287633990652a965949df602086e07ab Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/330162 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>