test rename overhaul: step 8 - language tests

tests/language/const_syntax_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.
 
 main() {
   Expect.equals(42, FOO);   /// 01: compile-time error
   Expect.equals(87, BAR);   /// 02: compile-time error
   Expect.equals(42, C.FOO); /// 03: compile-time error
   Expect.equals(87, C.FOO); /// 04: compile-time error
 }
 
 const FOO = 42;     /// 01: continued
 const int BAR = 87; /// 02: continued
 
 class C {
   static const FOO = 42;     /// 03: continued
   static const int BAR = 87; /// 04: continued
 }