commit ffc7fac288daf02182e5f84870743dbcd0e41440
author Alexander Aprelev <aam@google.com> Wed Mar 21 13:40:17 2018 -0700
committer GitHub <noreply@github.com> Wed Mar 21 13:40:17 2018 -0700
tree 866f5d58b44dd9bce2e9c6ce56bdd061c132698d
parent 339e65d839dfdd598b6f6d092ae09a8a78172fea

Pass --no-preview-dart-2 for dart1 tests. (#15800)

dev/devicelab/lib/tasks/perf_tests.dart

diff --git a/dev/devicelab/lib/tasks/perf_tests.dart b/dev/devicelab/lib/tasks/perf_tests.dart
index 7494aa9..ffdf3e6 100644
--- a/dev/devicelab/lib/tasks/perf_tests.dart
+++ b/dev/devicelab/lib/tasks/perf_tests.dart
@@ -258,6 +258,8 @@
     final List<String> options = <String>['--release'];
     if (previewDart2)
       options.add('--preview-dart-2');
+    else
+      options.add('--no-preview-dart-2');
     setLocalEngineOptionIfNecessary(options);
     switch (deviceOperatingSystem) {
       case DeviceOperatingSystem.ios:
@@ -296,6 +298,8 @@
     final List<String> options = <String>['--debug'];
     if (previewDart2)
       options.add('--preview-dart-2');
+    else
+      options.add('--no-preview-dart-2');
     setLocalEngineOptionIfNecessary(options);
     switch (deviceOperatingSystem) {
       case DeviceOperatingSystem.ios: