Format all tests.

tests/language/type_variable_nested_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.
 
 // Regression test for
 // http://code.google.com/p/dart/issues/detail?id=9050.
 
 import 'package:expect/expect.dart';
 
-class A<T> {
-}
+class A<T> {}
 
 class B<T> {
   var _copy;
   B() {
     // We used to not register the dependency between List and B.
     _copy = new List<A<T>>();
   }
 }
 
 main() {
   var a = new B();
   Expect.isFalse(a._copy is List<int>);
   Expect.isTrue(a._copy is List<A>);
   Expect.isTrue(a._copy is List<A<int>>);
 
   a = new B<String>();
   Expect.isFalse(a._copy is List<String>);
   Expect.isTrue(a._copy is List<A>);
   Expect.isTrue(a._copy is List<A<String>>);
   Expect.isTrue(a._copy is List<A<Object>>);
   Expect.isFalse(a._copy is List<A<int>>);
 }