Revert "Zone support for Futures."

tests/lib/async/catch_errors8_test.dart

Index: tests/lib/async/catch_errors8_test.dart
diff --git a/tests/lib/async/catch_errors8_test.dart b/tests/lib/async/catch_errors8_test.dart
deleted file mode 100644
index f4ce9921ed35192337f7874aced20ee876f7fd6a..0000000000000000000000000000000000000000
--- a/tests/lib/async/catch_errors8_test.dart
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright (c) 2013, 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.
-
-import "package:expect/expect.dart";
-import 'dart:async';
-import 'dart:isolate';
-import 'catch_errors.dart';
-
-main() {
-  // We keep a ReceivePort open until all tests are done. This way the VM will
-  // hang if the callbacks are not invoked and the test will time out.
-  var port = new ReceivePort();
-  var events = [];
-  // Test nested `catchErrors`.
-  // The nested `catchErrors` throws all kinds of different errors (synchronous
-  // and asynchronous). The body of the outer `catchErrors` furthermore has a
-  // synchronous `throw`.
-  catchErrors(() {
-    events.add("catch error entry");
-    catchErrors(() {
-      events.add("catch error entry2");
-      new Future.error("future error");
-      new Future.error("future error2");
-      new Future.value(499).then((x) => throw x);
-      new Future.delayed(const Duration(milliseconds: 50), () {
-        throw "delayed error";
-      });
-      throw "catch error";
-    }).listen((x) { events.add(x); })
-      .asFuture()
-      .then((_) => events.add("inner done"))
-      .then((_) { throw "inner done throw"; });
-    events.add("after inner");
-    throw "inner throw";
-  }).listen((x) {
-      events.add(x);
-    },
-    onDone: () {
-      Expect.listEquals(["catch error entry",
-                         "catch error entry2",
-                         "after inner",
-                         "main exit",
-                         "catch error",
-                         "inner throw",
-                         "future error",
-                         "future error2",
-                         499,
-                         "delayed error",
-                         "inner done",
-                         "inner done throw"
-                         ],
-                         events);
-      port.close();
-    });
-  events.add("main exit");
-}