Add Tests for linear_eq_to_matrix method
Add Tests for linear_eq_to_matrix method

jerli/sympy,VaibhavAgarwalVA/sympy,ChristinaZografou/sympy,AkademieOlympia/sympy,moble/sympy,Vishluck/sympy,debugger22/sympy,shikil/sympy,farhaanbukhsh/sympy,Gadal/sympy,Arafatk/sympy,drufat/sympy,madan96/sympy,Davidjohnwilson/sympy,oliverlee/sympy,atreyv/sympy,kaichogami/sympy,madan96/sympy,farhaanbukhsh/sympy,yashsharan/sympy,chaffra/sympy,pandeyadarsh/sympy,ChristinaZografou/sympy,postvakje/sympy,kevalds51/sympy,ahhda/sympy,iamutkarshtiwari/sympy,emon10005/sympy,Arafatk/sympy,pandeyadarsh/sympy,mafiya69/sympy,Shaswat27/sympy,grevutiu-gabriel/sympy,iamutkarshtiwari/sympy,Titan-C/sympy,Designist/sympy,mcdaniel67/sympy,wyom/sympy,wyom/sympy,pandeyadarsh/sympy,toolforger/sympy,emon10005/sympy,yukoba/sympy,wanglongqi/sympy,moble/sympy,Vishluck/sympy,kaushik94/sympy,sahmed95/sympy,kumarkrishna/sympy,postvakje/sympy,grevutiu-gabriel/sympy,Titan-C/sympy,maniteja123/sympy,Gadal/sympy,Designist/sympy,cswiercz/sympy,drufat/sympy,jbbskinny/sympy,iamutkarshtiwari/sympy,skidzo/sympy,atsao72/sympy,maniteja123/sympy,sampadsaha5/sympy,aktech/sympy,Titan-C/sympy,chaffra/sympy,shikil/sympy,moble/sympy,Arafatk/sympy,MechCoder/sympy,abhiii5459/sympy,Shaswat27/sympy,garvitr/sympy,kumarkrishna/sympy,atreyv/sympy,AkademieOlympia/sympy,debugger22/sympy,chaffra/sympy,mafiya69/sympy,skidzo/sympy,kaushik94/sympy,kumarkrishna/sympy,VaibhavAgarwalVA/sympy,jaimahajan1997/sympy,rahuldan/sympy,yukoba/sympy,toolforger/sympy,rahuldan/sympy,oliverlee/sympy,lindsayad/sympy,lindsayad/sympy,souravsingh/sympy,hargup/sympy,bukzor/sympy,souravsingh/sympy,kaichogami/sympy,Davidjohnwilson/sympy,garvitr/sympy,ga7g08/sympy,yashsharan/sympy,yashsharan/sympy,cswiercz/sympy,kevalds51/sympy,toolforger/sympy,ChristinaZografou/sympy,ga7g08/sympy,sahmed95/sympy,mafiya69/sympy,farhaanbukhsh/sympy,wanglongqi/sympy,grevutiu-gabriel/sympy,AkademieOlympia/sympy,drufat/sympy,cswiercz/sympy,Davidjohnwilson/sympy,skidzo/sympy,shikil/sympy,VaibhavAgarwalVA/sympy,mcdaniel67/sympy,jbbskinny/sympy,yukoba/sympy,abhiii5459/sympy,sampadsaha5/sympy,Curious72/sympy,jaimahajan1997/sympy,postvakje/sympy,ga7g08/sympy,kaichogami/sympy,hargup/sympy,hargup/sympy,debugger22/sympy,oliverlee/sympy,Designist/sympy,madan96/sympy,rahuldan/sympy,Shaswat27/sympy,saurabhjn76/sympy,emon10005/sympy,bukzor/sympy,jbbskinny/sympy,Curious72/sympy,garvitr/sympy,mcdaniel67/sympy,MechCoder/sympy,asm666/sympy,asm666/sympy,wyom/sympy,asm666/sympy,kevalds51/sympy,aktech/sympy,atreyv/sympy,jaimahajan1997/sympy,lindsayad/sympy,aktech/sympy,Vishluck/sympy,saurabhjn76/sympy,saurabhjn76/sympy,jerli/sympy,MechCoder/sympy,maniteja123/sympy,souravsingh/sympy,Gadal/sympy,bukzor/sympy,abhiii5459/sympy,ahhda/sympy,sampadsaha5/sympy,sahmed95/sympy,kaushik94/sympy,atsao72/sympy,Curious72/sympy,wanglongqi/sympy,atsao72/sympy,ahhda/sympy,jerli/sympy