add tests for _fuzzy_group*
add tests for _fuzzy_group*

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