it("is not failed when only parent task is failed", function () {
var nestedTask = new Task(),
pairedTask = new PairedTask(nestedTask);
pairedTask.start();
pairedTask.fail();
assert.ok(!pairedTask.isFailed());
});
it("is failed when both tasks are failed", function () {
var nestedTask = new Task(),
pairedTask = new PairedTask(nestedTask);
nestedTask.start();
nestedTask.fail();
pairedTask.start();
pairedTask.fail();
assert.ok(pairedTask.isFailed());
});
pairedTask.addListenerFail(function (evt) {
assert.ok(nestedTask.isFailed());
assert.ok(pairedTask.isFailed());
done();
});