Enzyme 2.x to 3.x migration warns wrapper.update() might be needed 
Enzyme 2.x to 3.x migration warns wrapper.update() might be needed 

http://airbnb.io/enzyme/docs/guides/migration-from-2-to-3.html#for-mount-updates-are-sometimes-required-when-they-werent-before

Satyam/react-simple-idle-monitor,Satyam/react-simple-idle-monitor