Format all tests.

tests/language/function_subtype_setter0_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 for implicit setters.
 
 import 'package:expect/expect.dart';
 
 typedef void Foo();
+
 class A<T> {}
 
 class C {
   Foo foo;
   A<int> bar;
 }
 
 class D {
   Foo foo;
   A<int> bar;
@@ skipping 10 matching lines @@
   if (inCheckedMode) {
     Expect.throws(() => c.foo = 1, (e) => true);
   }
   c.foo = () {};
 }
 
 void main() {
   test(new C());
   test(new D());
 }