add tests to watch.js
add tests to watch.js

jimmywarting/Dexie.js,chrahunt/Dexie.js,dfahlander/Dexie.js,chrahunt/Dexie.js,dfahlander/Dexie.js,jimmywarting/Dexie.js,chrahunt/Dexie.js,dfahlander/Dexie.js,dfahlander/Dexie.js,jimmywarting/Dexie.js,chrahunt/Dexie.js,jimmywarting/Dexie.js