Format all tests.

tests/language_strong/type_argument_substitution_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.
 
 // Test that substitutions are emitted for classes that are only used as
 // type arguments.
 
 import 'package:expect/expect.dart';
 
 class K {}
 
 class A<T> {}
 
 class B extends A<K> {}
 
 class X<T> {}
 
 main() {
   var v = new DateTime.now().millisecondsSinceEpoch != 42
-    ? new X<B>() : new X<A<String>>();
+      ? new X<B>()
+      : new X<A<String>>();
   Expect.isFalse(v is X<A<String>>);
 }