test rename overhaul: step 5 - frog and leg tests

frog/tests/await/src/TryCatch4Test.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.
-
-// Await within a try-catch block, the error occurs after the await.
-
-#import("await_test_helper.dart");
-
-errorAfter() {
-  try {
-    final t = await futureOf(3);
-    throw "error";
-    return t;
-  } catch (e) {
-    return 3;
-  }
-}
-
-main() {
-  int t = await errorAfter();
-  Expect.equals(3, t);
-}