Change CodeAfterTryIsExecutedNegativeTest to a multitest.

dart/tests/language/src/CodeAfterTryIsExecutedNegativeTest.dart

Index: dart/tests/language/src/CodeAfterTryIsExecutedNegativeTest.dart
===================================================================
--- dart/tests/language/src/CodeAfterTryIsExecutedNegativeTest.dart	(revision 4458)
+++ dart/tests/language/src/CodeAfterTryIsExecutedNegativeTest.dart	(working copy)
@@ -1,14 +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.
-
-main() {
-  var exception;
-  try {
-    throw 'foo';
-  } catch (String ex) {
-    exception = ex;
-  }
-  Expect.isTrue(exception is String);
-  throw 'foo';
-}