keyEvent (selector, type, keyCode) RSVP.Promisepublic
 Defined in packages/ember-testing/lib/helpers.js:64 Available since 1.5.0 
 Simulates a key event, e.g. keypress, keydown, keyup with the desired keyCode Example: keyEvent('.some-jQuery-selector', 'keypress', 13).then(function() {
 // assert something
});
 
 Parameters: 
selector String
  jQuery selector for finding element on the DOM  
type String
  the type of key event, e.g. `keypress`, `keydown`, `keyup`  
keyCode Number
  the keyCode