py3: unskip test_mail and scrapy/mail.py
py3: unskip test_mail and scrapy/mail.py

finfish/scrapy,wenyu1001/scrapy,dangra/scrapy,Parlin-Galanodel/scrapy,dangra/scrapy,elacuesta/scrapy,starrify/scrapy,crasker/scrapy,kmike/scrapy,carlosp420/scrapy,arush0311/scrapy,wenyu1001/scrapy,rklabs/scrapy,kmike/scrapy,w495/scrapy,rolando-contrib/scrapy,redapple/scrapy,Ryezhang/scrapy,taito/scrapy,w495/scrapy,jc0n/scrapy,shaform/scrapy,barraponto/scrapy,shaform/scrapy,Zephor5/scrapy,rolando/scrapy,scrapy/scrapy,Digenis/scrapy,jc0n/scrapy,crasker/scrapy,cyberplant/scrapy,pawelmhm/scrapy,shaform/scrapy,ssteo/scrapy,Zephor5/scrapy,wujuguang/scrapy,ssteo/scrapy,foromer4/scrapy,wenyu1001/scrapy,YeelerG/scrapy,eLRuLL/scrapy,ArturGaspar/scrapy,umrashrf/scrapy,umrashrf/scrapy,elacuesta/scrapy,pawelmhm/scrapy,Parlin-Galanodel/scrapy,rolando/scrapy,arush0311/scrapy,rolando-contrib/scrapy,umrashrf/scrapy,wujuguang/scrapy,Zephor5/scrapy,darkrho/scrapy-scrapy,GregoryVigoTorres/scrapy,eLRuLL/scrapy,rklabs/scrapy,rootAvish/scrapy,Digenis/scrapy,carlosp420/scrapy,crasker/scrapy,redapple/scrapy,pawelmhm/scrapy,dangra/scrapy,scrapy/scrapy,cyberplant/scrapy,YeelerG/scrapy,YeelerG/scrapy,darkrho/scrapy-scrapy,elacuesta/scrapy,Ryezhang/scrapy,finfish/scrapy,foromer4/scrapy,pablohoffman/scrapy,dracony/scrapy,kmike/scrapy,rootAvish/scrapy,jc0n/scrapy,finfish/scrapy,pablohoffman/scrapy,barraponto/scrapy,wujuguang/scrapy,ArturGaspar/scrapy,Parlin-Galanodel/scrapy,starrify/scrapy,pablohoffman/scrapy,redapple/scrapy,darkrho/scrapy-scrapy,Digenis/scrapy,Ryezhang/scrapy,rklabs/scrapy,taito/scrapy,rolando/scrapy,scrapy/scrapy,ArturGaspar/scrapy,w495/scrapy,dracony/scrapy,starrify/scrapy,carlosp420/scrapy,GregoryVigoTorres/scrapy,dracony/scrapy,ssteo/scrapy,arush0311/scrapy,GregoryVigoTorres/scrapy,eLRuLL/scrapy,foromer4/scrapy,rootAvish/scrapy,barraponto/scrapy,rolando-contrib/scrapy,cyberplant/scrapy,taito/scrapy