bugfix: test.DiscoTestCase.AssertCommErrorCode did not handle a missing exception correctly
bugfix: test.DiscoTestCase.AssertCommErrorCode did not handle a missing exception correctly

discoproject/disco,oldmantaiter/disco,mwilliams3/disco,discoproject/disco,oldmantaiter/disco,scrapinghub/disco,ktkt2009/disco,seabirdzh/disco,pombredanne/disco,mozilla/disco,mwilliams3/disco,pooya/disco,pavlobaron/disco_playground,mwilliams3/disco,beni55/disco,pombredanne/disco,seabirdzh/disco,seabirdzh/disco,scrapinghub/disco,discoproject/disco,seabirdzh/disco,mwilliams3/disco,oldmantaiter/disco,ErikDubbelboer/disco,simudream/disco,oldmantaiter/disco,beni55/disco,simudream/disco,scrapinghub/disco,oldmantaiter/disco,mozilla/disco,ErikDubbelboer/disco,mozilla/disco,discoproject/disco,pooya/disco,ktkt2009/disco,pooya/disco,mozilla/disco,ktkt2009/disco,simudream/disco,simudream/disco,beni55/disco,ErikDubbelboer/disco,ErikDubbelboer/disco,pombredanne/disco,scrapinghub/disco,mwilliams3/disco,pombredanne/disco,pooya/disco,pombredanne/disco,ktkt2009/disco,discoproject/disco,pavlobaron/disco_playground,beni55/disco,beni55/disco,pavlobaron/disco_playground,ErikDubbelboer/disco,simudream/disco,pavlobaron/disco_playground,ktkt2009/disco,seabirdzh/disco