184fd50728
This improves usability of the tool when a multiple tests needs updating. Change-Id: I034e3da7381ae79b2149429e5271904e0dfcae59 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/210862 Reviewed-by: Jens Johansen <jensj@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>