Add kernel/closed_world_test

tests/compiler/dart2js/serialization/model_test_helper.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.serialization_model_test;
 
 import 'dart:async';
 import 'dart:io';
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
@@ skipping 121 matching lines @@
       "Instantiated types mismatch",
       typeEquivalence,
       verbose: verbose);
 
   checkSets(enqueuer1.universe.isChecks, enqueuer2.universe.isChecks,
       "Is-check mismatch", typeEquivalence,
       verbose: verbose);
 
   JavaScriptBackend backend1 = enqueuer1.backend;
   JavaScriptBackend backend2 = enqueuer2.backend;
-  Expect.equals(backend1.hasInvokeOnSupport,
-      backend2.hasInvokeOnSupport, "Compiler.enabledInvokeOn mismatch");
+  Expect.equals(backend1.hasInvokeOnSupport, backend2.hasInvokeOnSupport,
+      "Compiler.enabledInvokeOn mismatch");
   Expect.equals(
       enqueuer1.universe.hasFunctionApplySupport,
       enqueuer2.universe.hasFunctionApplySupport,
       "ResolutionEnqueuer.universe.hasFunctionApplySupport mismatch");
   Expect.equals(
       enqueuer1.universe.hasRuntimeTypeSupport,
       enqueuer2.universe.hasRuntimeTypeSupport,
       "ResolutionEnqueuer.universe.hasRuntimeTypeSupport mismatch");
   Expect.equals(
       enqueuer1.universe.hasIsolateSupport,
@@ skipping 258 matching lines @@
   check(outputUnit1, outputUnit2, 'OutputUnit.isMainOutput $message',
       outputUnit1.isMainOutput, outputUnit2.isMainOutput);
   checkSetEquivalence(
       outputUnit1,
       outputUnit2,
       'OutputUnit.imports $message',
       outputUnit1.imports,
       outputUnit2.imports,
       (a, b) => areElementsEquivalent(a.declaration, b.declaration));
 }