41bc0b4d07
opt switch related tests back to 2.19 opt map/set hashCode override tests back to 2.19 Change-Id: Ib5c44fc17de43eaf9bcad71d7a326c5fcbff02bf Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/285800 Auto-Submit: Jake Macdonald <jakemac@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Jake Macdonald <jakemac@google.com>