dart2js: run dartfmt on tests

tests/compiler/dart2js/interceptor_almost_constant_test.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.
 
 import 'dart:async';
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'compiler_helper.dart';
 
 const String TEST_ONE = r"""
   foo(b) {
     var a = b ? [1,2,3] : null;
     print(a.first);
   }
 """;
 
 main() {
   asyncTest(() => Future.wait([
-    // Check that almost-constant interceptor is used.
-    compile(TEST_ONE, entry: 'foo', check: (String generated) {
-      String re = r'a && [\w\.]*_methods';
-      Expect.isTrue(generated.contains(new RegExp(re)), 'contains /$re/');
-    })
-  ]));
+        // Check that almost-constant interceptor is used.
+        compile(TEST_ONE, entry: 'foo', check: (String generated) {
+          String re = r'a && [\w\.]*_methods';
+          Expect.isTrue(generated.contains(new RegExp(re)), 'contains /$re/');
+        })
+      ]));
 }