test_sage: Use S() instead of sympify()
test_sage: Use S() instead of sympify()

S() is shorter and corresponds to the SR() in Sage.

Arafatk/sympy,ga7g08/sympy,wanglongqi/sympy,maniteja123/sympy,amitjamadagni/sympy,kaichogami/sympy,beni55/sympy,postvakje/sympy,jaimahajan1997/sympy,ga7g08/sympy,maniteja123/sympy,sahilshekhawat/sympy,yukoba/sympy,abhiii5459/sympy,iamutkarshtiwari/sympy,sampadsaha5/sympy,rahuldan/sympy,AunShiLord/sympy,drufat/sympy,wanglongqi/sympy,emon10005/sympy,farhaanbukhsh/sympy,diofant/diofant,srjoglekar246/sympy,iamutkarshtiwari/sympy,VaibhavAgarwalVA/sympy,Gadal/sympy,Designist/sympy,atreyv/sympy,garvitr/sympy,farhaanbukhsh/sympy,skidzo/sympy,AkademieOlympia/sympy,abloomston/sympy,AkademieOlympia/sympy,Davidjohnwilson/sympy,dqnykamp/sympy,Vishluck/sympy,moble/sympy,jerli/sympy,Shaswat27/sympy,jerli/sympy,Curious72/sympy,flacjacket/sympy,pbrady/sympy,lindsayad/sympy,garvitr/sympy,shikil/sympy,grevutiu-gabriel/sympy,madan96/sympy,postvakje/sympy,meghana1995/sympy,jaimahajan1997/sympy,emon10005/sympy,aktech/sympy,minrk/sympy,lidavidm/sympy,souravsingh/sympy,Gadal/sympy,MridulS/sympy,Sumith1896/sympy,chaffra/sympy,pandeyadarsh/sympy,mattpap/sympy-polys,jbbskinny/sympy,hrashk/sympy,pbrady/sympy,grevutiu-gabriel/sympy,sunny94/temp,Davidjohnwilson/sympy,kaichogami/sympy,AunShiLord/sympy,kevalds51/sympy,jamesblunt/sympy,pbrady/sympy,ChristinaZografou/sympy,ga7g08/sympy,sunny94/temp,iamutkarshtiwari/sympy,hargup/sympy,sahilshekhawat/sympy,amitjamadagni/sympy,toolforger/sympy,mcdaniel67/sympy,abloomston/sympy,ChristinaZografou/sympy,MechCoder/sympy,mafiya69/sympy,beni55/sympy,Curious72/sympy,grevutiu-gabriel/sympy,sunny94/temp,Sumith1896/sympy,Vishluck/sympy,abloomston/sympy,shikil/sympy,hargup/sympy,jamesblunt/sympy,mcdaniel67/sympy,atsao72/sympy,Arafatk/sympy,souravsingh/sympy,ahhda/sympy,chaffra/sympy,Sumith1896/sympy,ahhda/sympy,debugger22/sympy,hrashk/sympy,bukzor/sympy,wyom/sympy,tovrstra/sympy,Davidjohnwilson/sympy,Arafatk/sympy,saurabhjn76/sympy,sahilshekhawat/sympy,cccfran/sympy,yukoba/sympy,cswiercz/sympy,VaibhavAgarwalVA/sympy,sahmed95/sympy,kumarkrishna/sympy,rahuldan/sympy,oliverlee/sympy,oliverlee/sympy,kevalds51/sympy,mafiya69/sympy,Mitchkoens/sympy,Titan-C/sympy,shipci/sympy,kaushik94/sympy,skidzo/sympy,kaushik94/sympy,beni55/sympy,ahhda/sympy,lidavidm/sympy,aktech/sympy,Shaswat27/sympy,hargup/sympy,sahmed95/sympy,cswiercz/sympy,Titan-C/sympy,emon10005/sympy,saurabhjn76/sympy,lindsayad/sympy,atsao72/sympy,maniteja123/sympy,moble/sympy,mcdaniel67/sympy,pernici/sympy,moble/sympy,asm666/sympy,AunShiLord/sympy,wanglongqi/sympy,souravsingh/sympy,MridulS/sympy,Gadal/sympy,lindsayad/sympy,aktech/sympy,sahmed95/sympy,liangjiaxing/sympy,atsao72/sympy,oliverlee/sympy,dqnykamp/sympy,skirpichev/omg,jamesblunt/sympy,Curious72/sympy,debugger22/sympy,pandeyadarsh/sympy,hrashk/sympy,madan96/sympy,pandeyadarsh/sympy,drufat/sympy,kaichogami/sympy,atreyv/sympy,yashsharan/sympy,liangjiaxing/sympy,skidzo/sympy,dqnykamp/sympy,kumarkrishna/sympy,cccfran/sympy,shipci/sympy,postvakje/sympy,kevalds51/sympy,kmacinnis/sympy,AkademieOlympia/sympy,yashsharan/sympy,cccfran/sympy,garvitr/sympy,bukzor/sympy,asm666/sympy,vipulroxx/sympy,Designist/sympy,mafiya69/sympy,shipci/sympy,Shaswat27/sympy,yukoba/sympy,Titan-C/sympy,toolforger/sympy,MechCoder/sympy,rahuldan/sympy,asm666/sympy,wyom/sympy,abhiii5459/sympy,drufat/sympy,toolforger/sympy,sampadsaha5/sympy,vipulroxx/sympy,jaimahajan1997/sympy,cswiercz/sympy,jbbskinny/sympy,farhaanbukhsh/sympy,Vishluck/sympy,madan96/sympy,VaibhavAgarwalVA/sympy,bukzor/sympy,MridulS/sympy,abhiii5459/sympy,shikil/sympy,Designist/sympy,atreyv/sympy,vipulroxx/sympy,ChristinaZografou/sympy,MechCoder/sympy,chaffra/sympy,liangjiaxing/sympy,meghana1995/sympy,yashsharan/sympy,jbbskinny/sympy,kmacinnis/sympy,kaushik94/sympy,Mitchkoens/sympy,jerli/sympy,meghana1995/sympy,wyom/sympy,kumarkrishna/sympy,debugger22/sympy,minrk/sympy,Mitchkoens/sympy,saurabhjn76/sympy,lidavidm/sympy,kmacinnis/sympy,sampadsaha5/sympy