nl_tokens: This allows ember - testing to play nicely with other asynchronous events such as an application that is waiting for a CSS3 transition or an IndexDB transaction .
pl_tokens: function ( context , callback ) { if ( arguments . length === 1 ) { callback = context ; context = null ; } if ( ! this . waiters ) { this . waiters = Ember . A ( ) ; } this . waiters . push ( [ <mask> , callback ] ) ; }