Migrating another batch of tests to dart 2.

tests/language_strong/compile_time_constant11_test.dart

Index: tests/language_strong/compile_time_constant11_test.dart
diff --git a/tests/language_strong/compile_time_constant11_test.dart b/tests/language_strong/compile_time_constant11_test.dart
deleted file mode 100644
index 67ff3fe50504a4953161fc59462ced87d097dbce..0000000000000000000000000000000000000000
--- a/tests/language_strong/compile_time_constant11_test.dart
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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.
-
-// Check that conditional expression can be a compile-time constant.
-
-import "package:expect/expect.dart";
-
-const C1 = true;
-const C2 = false;
-
-const nephew = C1 ? C2 ? "Tick" : "Trick" : "Track";
-
-main() {
-  const a = true ? 5 : 10;
-  const b = C2 ? "Track" : C1 ? "Trick" : "Tick";
-
-  Expect.equals(5, a);
-  Expect.equals("Trick", nephew);
-  Expect.equals(nephew, b);
-  Expect.identical(nephew, b);
-  var s = const Symbol(nephew);
-  var msg = "Donald is $nephew's uncle.";
-  Expect.equals("Donald is Trick's uncle.", msg);
-}