Updated notification specs for Rails 5.2
Updated notification specs for Rails 5.2

Br3nda/growstuff,cesy/growstuff,cesy/growstuff,Br3nda/growstuff,Growstuff/growstuff,yez/growstuff,yez/growstuff,yez/growstuff,Br3nda/growstuff,Growstuff/growstuff,cesy/growstuff,cesy/growstuff,Growstuff/growstuff,Br3nda/growstuff,Growstuff/growstuff,yez/growstuff