Fixed a bug found by rjsparks@nostrum.com in the submission test text output.

 - Legacy-Id: 11279

Author: levkowetz

ietf/submit/tests.py

@@ -109,7 +109,7 @@ def do_submission(self, name, rev, group=None, formats=["txt",]):
         r = self.client.post(url, files)
         if r.status_code != 302:
             q = PyQuery(r.content)
-            print(q('div.has-error div.alert').text)
+            print(q('div.has-error div.alert').text())
 
         self.assertEqual(r.status_code, 302)