74004b45b7
This CL makes the same changes to service_2/step_through_mixin_from_sdk_test that were made to service/step_through_mixin_from_sdk_test. See https://dart-review.googlesource.com/c/sdk/+/288240/23/runtime/observatory/tests/service/step_through_mixin_from_sdk_test.dart#36 TEST=CI Change-Id: Ieabc02d0d907ff15bae53006e0291d1e58e05c16 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/293220 Reviewed-by: Ben Konyi <bkonyi@google.com> Commit-Queue: Derek Xu <derekx@google.com>