Value should be 0 as there is a single release (2-3+1=0)

celery/tests/worker/test_hub.py

@@ -54,7 +54,7 @@ class test_LaxBoundedSemaphore(Case):
         self.assertFalse(c3.called)
 
         x.release()
-        self.assertEqual(x.value, 1)
+        self.assertEqual(x.value, 0)
         c3.assert_called_with(3)
 
     def test_bounded(self):