Format all tests.

tests/language_strong/function_subtype_cast0_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.
 // Dart test program for constructors and initializers.
 
 // Check function subtyping casts.
 
 import 'package:expect/expect.dart';
 
 typedef void Foo<T>(T t);
 typedef void Bar(int i);
 
 void bar(int i) {}
 
 void main() {
   Expect.isNotNull(bar as Foo);
   Expect.throws(() => bar as Foo<bool>, (e) => true);
   Expect.isNotNull(bar as Foo<int>);
   Expect.isNotNull(bar as Bar);
-}
+}