dartfmt dart2js and unittests

tests/compiler/dart2js/enumset_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 enumset.test;
 
 import 'package:compiler/src/util/enumset.dart';
 import 'package:expect/expect.dart';
 
-enum Enum { A, B, C, D, E, F, }
+enum Enum {
+  A,
+  B,
+  C,
+  D,
+  E,
+  F,
+}
 
 main() {
   testAddRemoveContains();
   testConstructorsIntersects();
 }
 
 void checkEnumSet(EnumSet<Enum> enumSet, int expectedValue,
     List<Enum> expectedValues, String expectedToString) {
   Expect.equals(expectedValue, enumSet.value,
       "Unexpected EnumSet.value for ${enumSet.iterable(Enum.values)}");
@@ skipping 116 matching lines @@
 
   checkIntersects(emptyA, singleA, false);
   checkIntersects(emptyA, multiA, false);
   checkIntersects(emptyA, multi2, false);
 
   checkIntersects(singleA, multiA, false);
   checkIntersects(singleA, multi2, true);
 
   checkIntersects(multiA, multi2, true);
 }