fix test__queue.py

greentest/test__queue.py

@@ -162,7 +162,7 @@ class TestQueue(TestCase):
         waiting_evt = AsyncResult()
         gevent.spawn(do_receive, q, dying_evt)
         gevent.spawn(waiter, q, waiting_evt)
-        gevent.sleep(0)
+        gevent.sleep(0.01)
         q.put('hi')
         self.assertEquals(dying_evt.get(), 'timed out')
         self.assertEquals(waiting_evt.get(), 'hi')
@@ -182,7 +182,7 @@ class TestQueue(TestCase):
         e2 = AsyncResult()
         gevent.spawn(do_receive, q, e1)
         gevent.spawn(do_receive, q, e2)
-        gevent.sleep(0)
+        gevent.sleep(0.01)
         q.put('sent')
         self.assertEquals(e1.get(), 'timed out')
         self.assertEquals(e2.get(), 'timed out')