Disable intermittent event module test
Disable intermittent event module test

This caused spurious Travis failures which, in particular, wreaked
havoc with Greenkeeper. It just doesn't make sense to keep this
enabled.

e14n/pump.io,e14n/pump.io,pump-io/pump.io,pump-io/pump.io,e14n/pump.io,pump-io/pump.io