dialyzer: fix some specs.
dialyzer: fix some specs.

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