CONSOLE MESSAGE: line 46: [object Object]

PASS calls `handleEvent` method of `EventListener` 
PASS rethrows errors when getting `handleEvent` 
PASS performs `Get` every time event is dispatched 
PASS doesn't call `handleEvent` method on callable `EventListener` 
FAIL throws if `handleEvent` is falsy and not callable assert_true: expected true got false
FAIL throws if `handleEvent` is thruthy and not callable assert_true: expected true got false