test rename overhaul: step 8 - language tests

tests/language/const_factory_negative_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.
 // For Dart VM: tests that a "const factory" with body produces an error.
 // For DartC: tests that a "const factory" is illegal.
 
 class ConstFactoryNegativeTest {
   const factory ConstFactoryNegativeTest.one() {
   }
 }
 
 main() {
   const ConstFactoryNegativeTest.one();
 }