UPD: improved email test.

dav_base/templates/dav_base/tests/mail.txt

@@ -1 +1 @@
-This template is used by the automatic software tests.
+{# This template is used by software tests #}MAILBODY

dav_base/tests/test_emails.py

@@ -43,3 +43,4 @@ class TestCase(EmailTestMixin, SimpleTestCase):
         self.assertSender(mail)
         self.assertRecipients(mail, [recipient])
         self.assertSubject(mail, u'')
+        self.assertBody(mail, 'MAILBODY')