diff --git a/tests/contrib/test_cache.py b/tests/contrib/test_cache.py
index 19f8a84b2c..50328a923f 100644
--- a/tests/contrib/test_cache.py
+++ b/tests/contrib/test_cache.py
@@ -128,9 +128,7 @@ def test_purge(self):
         c.set('b', 'b')
         c.set('c', 'c')
         c.set('d', 'd')
-        assert not c.get('a')
-        assert not c.get('b')
-
+        assert len(c._cache) == 2
 
 
 class TestSimpleCache(CacheTests):