1 files changed, 6 insertions, 0 deletions
diff --git a/templates/python/context_tests.py b/templates/python/context_tests.py
index 9db6bd0..24d8f51 100644
--- a/templates/python/context_tests.py
+++ b/templates/python/context_tests.py
@@ -17,6 +17,12 @@ class ContextTests(unittest.TestCase):
         ctx = Context()
         self.assertFalse("foo" in ctx)
 
+    def test_no_longer_contains_item(self):
+        ctx = Context()
+        ctx["foo"] = "bar"
+        del ctx["foo"]
+        self.assertFalse("foo" in ctx)
+
     def test_contains_item(self):
         ctx = Context()
         ctx["foo"] = "bar"