test rename overhaul: step 8 - language tests

tests/language/parameter_initializer2_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.
 
 // Fails because this.x parameter is used in a setter.
 
 class Foo {
   var x;
   Foo() {}
   set y(this.x) {
   }
 }
 
 
 class ParameterInitializer2NegativeTest {
   static testMain() {
     (new Foo()).y = 2;
   }
 }
 
 main() {
   ParameterInitializer2NegativeTest.testMain();
 }