Format all tests.

tests/lib/mirrors/load_library_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.
 
 library load_library;
 
 import 'dart:mirrors';
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 
 import 'other_library.dart' deferred as other;
 
 main() {
   var ms = currentMirrorSystem();
   LibraryMirror thisLibrary = ms.findLibrary(#load_library);
   var dep =
       thisLibrary.libraryDependencies.singleWhere((d) => d.prefix == #other);
   Expect.isNull(dep.targetLibrary, "should not be loaded yet");
 
   asyncStart();
   dep.loadLibrary().then((_) {
     asyncEnd();
     Expect.isNotNull(dep.targetLibrary);
     Expect.equals(#test.other_library, dep.targetLibrary.simpleName);
     Expect.equals(42, other.topLevelMethod());
   });
-}
+}