Handle @NoInline annotations in closed_world2_test

tests/compiler/dart2js/kernel/closed_world_tester.dart

Index: tests/compiler/dart2js/kernel/closed_world_tester.dart
diff --git a/tests/compiler/dart2js/kernel/closed_world_tester.dart b/tests/compiler/dart2js/kernel/closed_world_tester.dart
index be3796b9e0f01da4f3f2fd38e8941e09cd8f62de..aac7e5bc45bc959318b99f91252e1223665c32c4 100644
--- a/tests/compiler/dart2js/kernel/closed_world_tester.dart
+++ b/tests/compiler/dart2js/kernel/closed_world_tester.dart
@@ -32,5 +32,9 @@ main(List<String> args) async {
 Future testFile(File file) async {
   print('====================================================================');
   print('testing ${file.path}');
-  await mainInternal([file.path]);
+  try {
+    await mainInternal([file.path], skipWarnings: true, skipErrors: true);
+  } catch (e, s) {
+    print('$e:\n$s');
+  }
 }