Update 06-UnitTests.md
Update 06-UnitTests.md

Removed article from 'a Codeception'
JarJak/Codeception,JarJak/Codeception,nett55/Codeception,janhenkgerritsen/Codeception,tasselchof/Codeception,nett55/Codeception,EspadaV8/Codeception,may-den/Codeception,Codeception/Codeception,Vitafy/Codeception,mkudenko/Codeception,hubbyist/Codeception,Naktibalda/Codeception,JakobReiter/Codeception,Vitafy/Codeception,yhbyun/Codeception,orhan-swe/Codeception,Naktibalda/Codeception,Codeception/Codeception,Naktibalda/Codeception,vml-rmott/Codeception,Vreasy/Codeception,fbidu/Codeception,SunDrop/Codeception,sergeyklay/Codeception,tasselchof/Codeception,Pyrotoxin/Codeception,arduanov/Codeception,tasselchof/Codeception,fbidu/Codeception,mkudenko/Codeception,EspadaV8/Codeception,namnv609/Codeception,pecinaon/Codeception,sergeyklay/Codeception,TehJoE/Codeception,arduanov/Codeception,Pyrotoxin/Codeception,tiger-seo/Codeception,pitpit/Codeception,cjaoude/Codeception,bizmate/Codeception,vml-rmott/Codeception,janthurau/Codeception,TehJoE/Codeception,Vreasy/Codeception,tiger-seo/Codeception,JakobReiter/Codeception,janthurau/Codeception,janhenkgerritsen/Codeception,kt81/Codeception,hubbyist/Codeception,SunDrop/Codeception,pitpit/Codeception,justintilson/Codeception,may-den/Codeception,Codeception/base,orhan-swe/Codeception,yhbyun/Codeception,namnv609/Codeception,justintilson/Codeception,kt81/Codeception,cjaoude/Codeception,pecinaon/Codeception,Codeception/base,bizmate/Codeception,Codeception/base