dart2js: run dartfmt on tests

tests/compiler/dart2js/literal_map_test.dart

 // Copyright (c) 2013, 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.
 
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'compiler_helper.dart';
 
 const String TEST = """
 foo() {
   var a = {};
   var index = foo(); // Make sure we want to optimize this method.
   while (true) a[index] = 1;
 }
 """;
 
 main() {
   asyncTest(() => compile(TEST, entry: 'foo', check: (String generated) {
-    // Make sure we have all the type information we need.
-    Expect.isFalse(generated.contains('bailout'));
-    Expect.isFalse(generated.contains('interceptor'));
-    // Make sure we don't go through an interceptor.
-    Expect.isTrue(
-        generated.contains(r'a.$indexSet(a') ||
-        generated.contains(r'.$indexSet(0'));
-  }));
+        // Make sure we have all the type information we need.
+        Expect.isFalse(generated.contains('bailout'));
+        Expect.isFalse(generated.contains('interceptor'));
+        // Make sure we don't go through an interceptor.
+        Expect.isTrue(generated.contains(r'a.$indexSet(a') ||
+            generated.contains(r'.$indexSet(0'));
+      }));
 }