test rename overhaul: step 8 - language tests

tests/language/src/ConstConstructorSyntaxTest.dart

-// Copyright (c) 2012, 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() {
-  var c0 = const C0(); /// 01: compile-time error
-  var i0 = const I0(); /// 02: compile-time error
-  var c1 = const C1();
-  var c2 = const C2(); /// 03: compile-time error
-  var c3 = const C3();
-}
-
-interface I0 default C0 {
-  I0();
-}
-
-class C0 implements I0 {
-  C0();
-}
-
-class C1 {
-  const C1();
-  var modifiable; /// 04: compile-time error
-}
-
-class C2 {
-  C2();
-}
-
-class C3 {
-  const C3()
-      : field = new C0() /// 05: compile-time error
-  ;
-  final field = null;
-}