dart2js: run dartfmt on tests

tests/compiler/dart2js/if_do_while_test.dart

 // Copyright (c) 2014, 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 = r"""
 foo(param0, param1, param2) {
   if (param0)
     do {
       param1();
     } while(param2());
   else {
     param2();
   }
 }
 """;
 
 main() {
   print("foo");
   asyncTest(() => compile(TEST, entry: 'foo', check: (String generated) {
-    // Check that the do-while in the 'then' is enclosed in braces.
-    // Otherwise Android 4.0 stock browser has a syntax error. See issue 10923.
-    Expect.isTrue(
-        new RegExp(r'if[ ]*\([^)]+\)[ ]*\{[\n ]*do').hasMatch(generated));
-  }));
+        // Check that the do-while in the 'then' is enclosed in braces.
+        // Otherwise Android 4.0 stock browser has a syntax error. See issue 10923.
+        Expect.isTrue(
+            new RegExp(r'if[ ]*\([^)]+\)[ ]*\{[\n ]*do').hasMatch(generated));
+      }));
 }