Test: Accepted the de facto behavior is better than the intended behavior

- Adding an 'until' date to a recurring task is propagated to the task instances
  and they expire at the same time. It was assumed otherwise, but the working
  behavior is better.

test/recurrence.t

@@ -156,7 +156,8 @@ class TestRecurrenceUntil(TestCase):
         # change the 3 to a 0.
         self.t.faketime("+24h")
         code, out, err = self.t("list rc.verbose:nothing")
-        self.assertEqual(out.count("one"), 3)
+        #self.assertEqual(out.count("one"), 3)
+        self.assertEqual(out.count("one"), 0)
 
 
 class TestRecurrenceTasks(TestCase):