title: testing admin.ModelAdmin in django
body: <p>I am trying to find out the best way for testing <code>admin.ModelAdmin</code> in <code>admin.py</code>. Specifically I am overriding the <code>save_model()</code> function which I want to test. From the research I have done, the only solution I have found was writing a request/response test and then query the database.</p>