Changed test for null return back to test for undefined
Changed test for null return back to test for undefined

ralic/testrtc,b-cuts/samples,ralic/testrtc,aadebuger/docker-apprtc,jiayliu/apprtc,dushmis/webrtc,leehz/samples,calebboyd/adapter,mulyoved/samples,webrtc/adapter,myself659/samples,bbandaru/samples,procandi/apprtc,TribeMedia/samples,jan-ivar/adapter,jjrasche/cell-based-RC-control,aadebuger/docker-apprtc,harme199497/adapter,webrtc/samples,EmreAkkoyun/sample,mvenkatesh431/apprtc,samdutton/apprtc,82488059/apprtc,Acidburn0zzz/adapter,JiYou/apprtc,leehz/samples,shelsonjava/samples,volkanh/volkanh.github.io,aadebuger/docker-apprtc,guoweis/webrtc,kosmosby/Google-WebRTC-Samples,xdumaine/samples,TribeMedia/apprtc,bpyoung92/apprtc,jarl-alejandro/apprtc,keshwans/samples,EmreAkkoyun/sample,procandi/samples,mvenkatesh431/samples,virajs/samples,webrtc/apprtc,tsruban/samples,JiYou/apprtc,jan-ivar/adapter,pquochoang/samples,myself659/samples,Temasys/Google-WebRTC-Samples,jarl-alejandro/apprtc,fippo/apprtc,4lejandrito/adapter,dengshaodong/docker-apprtc,mvenkatesh431/samples,Temasys/Google-WebRTC-Samples,akashrchoksi/newone,todotobe1/samples,mvenkatesh431/apprtc,fippo/apprtc,smadhusu/AppRTC,82488059/apprtc,dajise/samples,jiayliu/apprtc,mvenkatesh431/apprtc,virajs/samples,virajs/testrtc,ralic/samples,taylor-b/samples,arnauorriols/apprtc,Zauberstuhl/adapter,volkanh/volkanh.github.io,mauricionr/samples,smadhusu/AppRTC,jarl-alejandro/apprtc,smbale/samples,samdutton/apprtc,shelsonjava/apprtc,samdutton/apprtc,bbandaru/samples,ralic/testrtc,shelsonjava/apprtc,webrtc/apprtc,mauricionr/samples,TribeMedia/apprtc,procandi/apprtc,arnauorriols/apprtc,fippo/apprtc,martin7890/samples,shelsonjava/apprtc,shaohung001/samples,samdutton/apprtc,akashrchoksi/newone,82488059/apprtc,jarl-alejandro/apprtc,mulyoved/samples,jjrasche/cell-based-RC-control,YouthAndra/apprtc,smbale/samples,YouthAndra/apprtc,Edward-Shawn/samples,aadebuger/docker-apprtc,tsruban/samples,jessetane/testrtc,shelsonjava/samples,jarl-alejandro/apprtc,Roarz/samples,pquochoang/samples,todotobe1/samples,4lejandrito/adapter,bbandaru/samples,shines/adapter,overtakermtg/samples,jjrasche/cell-based-RC-control,todotobe1/apprtc,shaohung001/samples,shelsonjava/testrtc,guoweis/webrtc,b-cuts/samples,kod3r/samples,shines/adapter,aadebuger/docker-apprtc,mauricionr/samples,smayoorans/samples,Acidburn0zzz/adapter,virajs/apprtc,jjrasche/cell-based-RC-control,shelsonjava/testrtc,webrtc/samples,tsruban/samples,webrtc/adapter,webrtc/apprtc,bpyoung92/apprtc,Zauberstuhl/adapter,bpyoung92/apprtc,todotobe1/apprtc,martin7890/samples,virajs/apprtc,pquochoang/samples,TheKnarf/apprtc,harme199497/adapter,fippo/webrtc,shelsonjava/samples,Edward-Shawn/samples,YouthAndra/apprtc,TribeMedia/apprtc,calebboyd/adapter,jessetane/testrtc,MahmoudFouad/samples,Acidburn0zzz/adapter,volkanh/volkanh.github.io,fetterov/samples,procandi/samples,jessetane/testrtc,Roarz/samples,askdaddy/samples,diddie06/webrtc,samdutton/apprtc,askdaddy/samples,TribeMedia/testrtc,fitraditya/samples,TribeMedia/apprtc,myself659/samples,leehz/samples,jiayliu/apprtc,dengshaodong/docker-apprtc,jan-ivar/samples,shelsonjava/testrtc,bemasc/samples,TribeMedia/testrtc,dengshaodong/docker-apprtc,YouthAndra/apprtc,dushmis/webrtc,harme199497/adapter,webrtc/apprtc,dajise/samples,webrtc/testrtc,TheKnarf/apprtc,smadhusu/AppRTC,smbale/samples,xdumaine/adapter,procandi/samples,fetterov/samples,mulyoved/samples,todotobe1/apprtc,oliverhuangchao/samples,webrtc/testrtc,virajs/apprtc,mvenkatesh431/apprtc,shelsonjava/apprtc,MahmoudFouad/samples,virajs/testrtc,xdumaine/adapter,JiYou/apprtc,fippo/webrtc,rajsek/webrtc,taylor-b/samples,arnauorriols/apprtc,fetterov/samples,smayoorans/samples,todotobe1/apprtc,dajise/samples,bpyoung92/apprtc,Zauberstuhl/adapter,bemasc/samples,bpyoung92/apprtc,JiYou/apprtc,oliverhuangchao/samples,sarandogou/webrtc,akashrchoksi/newone,todotobe1/apprtc,ralic/testrtc,fippo/apprtc,virajs/apprtc,knightsofaa/webrtc,virajs/samples,webrtc/apprtc,TribeMedia/samples,samdutton/webrtc,juberti/samples,oliverhuangchao/samples,TribeMedia/apprtc,procandi/apprtc,overtakermtg/samples,xdumaine/samples,virajs/testrtc,martin7890/samples,jiayliu/apprtc,MahmoudFouad/samples,EmreAkkoyun/sample,82488059/apprtc,juberti/samples,calebboyd/adapter,procandi/apprtc,shines/adapter,82488059/apprtc,smayoorans/samples,xdumaine/samples,ralic/samples,bemasc/samples,dengshaodong/docker-apprtc,diddie06/webrtc,arnauorriols/apprtc,mvenkatesh431/apprtc,TheKnarf/apprtc,arnauorriols/apprtc,Edward-Shawn/samples,fitraditya/samples,guoweis/webrtc,JiYou/apprtc,ralic/samples,fippo/apprtc,kod3r/samples,fitraditya/samples,shelsonjava/apprtc,overtakermtg/samples,procandi/apprtc,4lejandrito/adapter,todotobe1/samples,knightsofaa/webrtc,virajs/apprtc,jessetane/testrtc,smadhusu/AppRTC,jiayliu/apprtc,Roarz/samples,kod3r/samples,samdutton/webrtc,virajs/testrtc,TheKnarf/apprtc,TribeMedia/samples,jan-ivar/samples,smadhusu/AppRTC,keshwans/samples,TribeMedia/testrtc,shelsonjava/testrtc,TribeMedia/testrtc,mvenkatesh431/samples,YouthAndra/apprtc,b-cuts/samples,TheKnarf/apprtc,dengshaodong/docker-apprtc