diff --git a/tests/testapp/models/many_to_many.py b/tests/testapp/models/many_to_many.py
index 787221a1fd1..9b38b515b4b 100644
--- a/tests/testapp/models/many_to_many.py
+++ b/tests/testapp/models/many_to_many.py
@@ -69,4 +69,11 @@ True
 >>> p1.get_article_list(order_by=['headline'])
 [Django lets you build Web apps easily, NASA uses Python]
 
+# If we delete an article, its publication won't be able to access it.
+>>> a2.delete()
+>>> articles.get_list()
+[Django lets you build Web apps easily]
+>>> p1.get_article_list(order_by=['headline'])
+[Django lets you build Web apps easily]
+
 """