pkg/unittest: reverting part of r35954 due to usage in Webkit layout tests

pkg/unittest/lib/unittest.dart

 // 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.
 
 /// Support for writing Dart unit tests.
 ///
 /// For information on installing and importing this library, see the
 /// [unittest package on pub.dartlang.org]
 /// (http://pub.dartlang.org/packages/unittest).
 ///
@@ skipping 283 matching lines @@
 /// expected. [max] can be used to specify an upper bound on the number of
 /// calls; if this is exceeded the test will fail (or be marked as in error if
 /// it was already complete). A value of 0 for [max] (the default) will set
 /// the upper bound to the same value as [count]; i.e. the callback should be
 /// called exactly [count] times. A value of -1 for [max] will mean no upper
 /// bound.
 Function expectAsync(Function callback,
     {int count: 1, int max: 0, String id}) =>
   new _SpreadArgsHelper(callback, count, max, id).func;
 
+/// *Deprecated*
+///
+/// Use [expectAsync] instead.
+@deprecated
+Function expectAsync0(Function callback,
+                     {int count: 1, int max: 0, String id}) =>
+    expectAsync(callback, count: count, max: max, id: id);
+
+/// *Deprecated*
+///
+/// Use [expectAsync] instead.
+@deprecated
+Function expectAsync1(Function callback,
+                     {int count: 1, int max: 0, String id}) =>
+    expectAsync(callback, count: count, max: max, id: id);
+
 /// Indicate that [callback] is expected to be called until [isDone] returns
 /// true. The unittest framework check [isDone] after each callback and only
 /// when it returns true will it continue with the following test. Using
 /// [expectAsyncUntil] will also ensure that errors that occur within
 /// [callback] are tracked and reported. [callback] should take 0 positional
 /// arguments (named arguments are not supported). [id] can be used to
 /// identify the callback in error messages (for example if it is called
 /// after the test case is complete).
 Function expectAsyncUntil(Function callback, bool isDone(), {String id}) =>
     new _SpreadArgsHelper(callback, 0, -1, id, isDone: isDone).func;
@@ skipping 241 matching lines @@
 
 /// A flag that controls whether we try to filter out irrelevant frames from
 /// the stack trace. Requires formatStacks to be set.
 bool filterStacks = true;
 
 void _requireNotRunning() {
   if (_currentTestCaseIndex != -1) {
     throw new StateError('Not allowed when tests are running.');
   }
 }