add test for domains admin

gnuviechadmin/domains/tests/test_admin.py

@@ -0,0 +1,8 @@
+from django.test import TestCase
+from django.core.urlresolvers import reverse
+
+
+class TestMailDomainAdmin(TestCase):
+    def test_admin_for_maildomain(self):
+        admin_url = reverse('admin:domains_maildomain_changelist')
+        self.assertIsNotNone(admin_url)