test rename overhaul: step 8 - language tests

tests/language/const_init_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 that initializers of static final fields are compile time constants.
 
 class Point {
   final x_;
   final y_;
   const Point(x, y) : x_ = x, y_ = y;
 }
@@ skipping 14 matching lines @@
     Expect.equals(4, O);
     Expect.equals(6, P);
     Expect.equals(0, Q.x_);
     Expect.equals(0, Q.y_);
   }
 }
 
 main() {
   ConstInitTest.testMain();
 }