Added tests for Idx
Added tests for Idx

Signed-off-by: Andy R. Terrel <de7a79ed7296a278aa5ef4831ba5787369e25006@gmail.com>

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