dart2js: run dartfmt on tests

tests/compiler/dart2js/constant_value_test.dart

 // Copyright (c) 2016, 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.constants.values.test;
 
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
 import 'package:compiler/src/helpers/helpers.dart';
 import 'package:compiler/src/elements/elements.dart';
 import 'package:compiler/src/constants/values.dart';
 import 'type_test_helper.dart';
 
 void main() {
   enableDebugMode();
 
   asyncTest(() async {
     TypeEnvironment env = await TypeEnvironment.create('''
     class C {
       final field1;
       final field2;
 
       C(this.field1, this.field2);
     }
     ''');
     ClassElement C = env.getElement('C');
     FieldElement field1 = C.lookupLocalMember('field1');
     FieldElement field2 = C.lookupLocalMember('field2');
-    ConstantValue value1 = new ConstructedConstantValue(C.rawType, {
-      field1: new IntConstantValue(0),
-      field2: new IntConstantValue(1),
-    });
-    ConstantValue value2 = new ConstructedConstantValue(C.rawType, {
-      field2: new IntConstantValue(1),
-      field1: new IntConstantValue(0),
-    });
+    ConstantValue value1 = new ConstructedConstantValue(C.rawType,
+        {field1: new IntConstantValue(0), field2: new IntConstantValue(1),});
+    ConstantValue value2 = new ConstructedConstantValue(C.rawType,
+        {field2: new IntConstantValue(1), field1: new IntConstantValue(0),});
     Expect.equals(value1.hashCode, value2.hashCode, "Hashcode mismatch.");
     Expect.equals(value1, value2, "Value mismatch.");
   });
 }