increase mocha timeout

karma.conf.js

 // Karma configuration
 // Generated on Mon Apr 20 2015 06:33:20 GMT-0700 (PDT)
 
 module.exports = function(config) {
   var configuration = {
 
     // base path that will be used to resolve all patterns (eg. files, exclude)
     basePath: '',
 
     // frameworks to use
@@ skipping 30 matching lines @@
     ],
 
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
     },
 
     client: {
       captureConsole: false,
       mocha: {
-        ui: 'tdd'
+        ui: 'tdd',
+        timeout : 6000
       },
     },
 
     // test results reporter to use
     // possible values: 'dots', 'progress'
     // available reporters: https://npmjs.org/browse/keyword/karma-reporter
     reporters: ['progress'],
 
     // web server port
     port: 9876,
@@ skipping 36 matching lines @@
     configuration.browsers = ['chrome_canary_travis'];
     configuration.autoWatch = false;
     // Enable this for more logging on Travis.  It is too much for Travis to
     // automatically display, but still results in a downloadable raw log.
     // configuration.logLevel = config.LOG_DEBUG;
     configuration.client.captureConsole = true;
   }
 
   config.set(configuration);
 };