Fix running dev/bots/test.dart in Dart 2 mode (#17256)
diff --git a/dev/bots/test.dart b/dev/bots/test.dart
index 6fb1b190..2e822f3 100644
--- a/dev/bots/test.dart
+++ b/dev/bots/test.dart
@@ -107,7 +107,7 @@
);
// Ensure that all package dependencies are in sync.
- await _runCommand(flutter, <String>['update-packages', '--verify-only'],
+ await _runCommand(flutter, <String>['update-packages', '--verify-only'],
workingDirectory: flutterRoot,
);
@@ -337,7 +337,7 @@
Future<List<List<int>>> savedStdout, savedStderr;
if (printOutput) {
- await Future.wait(<Future<Null>>[
+ await Future.wait(<Future<void>>[
stdout.addStream(process.stdout),
stderr.addStream(process.stderr)
]);