Duplicated test in dsolve()
Duplicated test in dsolve()

This is connected with #935.

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