test rename overhaul: step 8 - language tests

tests/language/default_factory2_test.dart

 // Copyright (c) 2011, 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.
 
 // Check type bounds when invoking a factory method
 
 interface Foo {}
 
 interface IA<T> default A<T extends Foo> { IA(); }
 
 class A<T extends Foo> implements IA<T> {
    factory A(){}
 }
  
 main() {
   var result = new IA<String>();  /// 01: static type warning
 }