Make experiment_options_test less fragile with respect to defaults (#1932)
Make experiment_options_test less fragile with respect to defaults (#1932)

* Make experiment_options_test resilient against upstream parameter changes

* dartfmt

dart-lang/dartdoc,dart-lang/dartdoc,dart-lang/dartdoc,dart-lang/dartdoc,keertip/dartdoc,keertip/dartdoc,keertip/dartdoc,keertip/dartdoc