Increase the timeout for pub deploy tests that use dart2js.

sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors_test.dart

Index: sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors_test.dart
diff --git a/sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors_test.dart b/sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors_test.dart
index 89ad7ad88335a48c521c9070dc8af84e329e9068..95ff7d884f02b03e82d15bdee96880fe7a4a7599 100644
--- a/sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors_test.dart
+++ b/sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors_test.dart
@@ -12,6 +12,10 @@ main() {
   initConfig();
 
   integration("reports Dart parse errors", () {
+    // Dart2js can take a long time to compile dart code, so we increase the
+    // timeout to cope with that.
+    currentSchedule.timeout *= 3;
+
     d.dir(appPath, [
       d.appPubspec([]),
       d.dir('web', [