Fix specs that are running under PhantomJS
Fix specs that are running under PhantomJS

lazybensch/ember-cli-bootstrap-datepicker,aravindranath/ember-cli-datepicker,NichenLg/ember-cli-bootstrap-datepicker,aravindranath/ember-cli-datepicker,jelhan/ember-cli-bootstrap-datepicker,Hanastaroth/ember-cli-bootstrap-datepicker,Hanastaroth/ember-cli-bootstrap-datepicker,maladon/ember-cli-bootstrap-datepicker,NichenLg/ember-cli-bootstrap-datepicker,topaxi/ember-bootstrap-datepicker,jesenko/ember-cli-bootstrap-datepicker,jelhan/ember-cli-bootstrap-datepicker,aldhsu/ember-cli-bootstrap-datepicker,soulim/ember-cli-bootstrap-datepicker,soulim/ember-cli-bootstrap-datepicker,lazybensch/ember-cli-bootstrap-datepicker,NichenLg/ember-cli-bootstrap-datepicker,aldhsu/ember-cli-bootstrap-datepicker,jesenko/ember-cli-bootstrap-datepicker,lazybensch/ember-cli-bootstrap-datepicker,jelhan/ember-cli-bootstrap-datepicker,maladon/ember-cli-bootstrap-datepicker,jesenko/ember-cli-bootstrap-datepicker,aldhsu/ember-cli-bootstrap-datepicker,Hanastaroth/ember-cli-bootstrap-datepicker,topaxi/ember-bootstrap-datepicker,maladon/ember-cli-bootstrap-datepicker,aravindranath/ember-cli-datepicker,soulim/ember-cli-bootstrap-datepicker