0ce6724f40
TEST=test case added to `pkg/frontend_server/test/src/resident_frontend_server_test.dart` Change-Id: I45a4b28c8c89714dcb93fa7f64874e158a0d69df Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/394763 Reviewed-by: Ben Konyi <bkonyi@google.com> Commit-Queue: Derek Xu <derekx@google.com>