Use shlex to split the arguments from PYTEST_ADDOPTS.
Use shlex to split the arguments from PYTEST_ADDOPTS.

--HG--
branch : env-addopts

ojake/pytest,chillbear/pytest,tomviner/pytest,Haibo-Wang-ORG/pytest,vodik/pytest,jb098/pytest,bubenkoff/pytest,hunse/pytest,takluyver/pytest,vodik/pytest,doordash/pytest,ropez/pytest,eli-b/pytest,mbirtwell/pytest,rouge8/pytest,ropez/pytest,Bachmann1234/pytest,jaraco/pytest,ghostsquad/pytest,jb098/pytest,untitaker/pytest,Haibo-Wang-ORG/pytest,mhils/pytest,nicoddemus/pytest,omarkohl/pytest,tomviner/pytest,tareqalayan/pytest,bubenkoff/pytest,hunse/pytest,MengJueM/pytest,The-Compiler/pytest,markshao/pytest,mdboom/pytest,icemac/pytest,Bjwebb/pytest,JonathonSonesen/pytest,alfredodeza/pytest,chiller/pytest,oleg-alexandrov/pytest,pelme/pytest,ghostsquad/pytest,mhils/pytest,lukas-bednar/pytest,gabrielcnr/pytest,ojake/pytest,JonathonSonesen/pytest,etataurov/pytest,ionelmc/pytest,ericdill/pytest,mdboom/pytest,hpk42/pytest,abusalimov/pytest,pelme/pytest,ionelmc/pytest,lukas-bednar/pytest,oleg-alexandrov/pytest,The-Compiler/pytest,bukzor/pytest,ddboline/pytest,RonnyPfannschmidt/pytest,chiller/pytest,hackebrot/pytest,inirudebwoy/pytest,hpk42/pytest,davidszotten/pytest,Carreau/pytest,chillbear/pytest,omarkohl/pytest,nicoddemus/pytest,rmfitzpatrick/pytest,Akasurde/pytest,inirudebwoy/pytest,ericdill/pytest,userzimmermann/pytest,pytest-dev/pytest,bukzor/pytest,nicoddemus/repo-test,MichaelAquilina/pytest,malinoff/pytest,userzimmermann/pytest,icemac/pytest,skylarjhdownes/pytest,Bjwebb/pytest,codewarrior0/pytest,flub/pytest,Bachmann1234/pytest,mbirtwell/pytest,rouge8/pytest,Carreau/pytest,txomon/pytest,takluyver/pytest,codewarrior0/pytest,wfxiang08/pytest,untitaker/pytest,nicoddemus/repo-test,MengJueM/pytest,vmalloc/dessert,doordash/pytest,abusalimov/pytest,wfxiang08/pytest,pfctdayelise/pytest,tgoodlet/pytest,gabrielcnr/pytest