add unit tests
add unit tests

fasteragile/ember-pikaday,edgycircle/ember-pikaday,edgycircle/ember-pikaday,helm-inc/ember-pikaday-time,leizhao4/ember-pikaday,Inkstone-Inc/ember-pikaday-time,fasteragile/ember-pikaday,GabKlein/ember-pikaday,joshuairl/ember-pikaday-with-time,helm-inc/ember-pikaday-time,GabKlein/ember-pikaday,joshuairl/ember-pikaday-with-time,leizhao4/ember-pikaday,Inkstone-Inc/ember-pikaday-time