[test fix] Make logger test more consistent.
[test fix] Make logger test more consistent.

ContinuumIO/forever,saisai/forever,rbramwell/forever,ContinuumIO/forever,JJediny/forever,foreverjs/forever,vcarrera/forever,JJediny/forever,jotham/forever,saisai/forever,nguyen-tien-mulodo/forever,Jonekee/forever,nguyen-tien-mulodo/forever,yyx990803/forever,jotham/forever,rakyll/forever,jqk6/forever,rakyll/forever,ryan321/forever,vcarrera/forever,kethle/forever,jqk6/forever,arnabsinha4u/demo-documentation,kethle/forever,ryan321/forever,yyx990803/forever,rbramwell/forever,Jonekee/forever,arnabsinha4u/demo-documentation,foreverjs/forever