无法使用摩卡开始testing

以下是我运行摩卡testing时遇到的错误…

upquire@0.0.0 test D:\tecsol\mtv mocha test/bootstrap.test.js test/unit/**/*.test.js 1) "before all" hook 0 passing (3m) 1 failing 1) "before all" hook: Error: timeout of 50000ms exceeded. Ensure the done() callback is being called in this test. at null.<anonymous> (D:\tecsol\mtv\node_modules\mocha\lib\runnable.js:189:19) 

以下是我的bootstrap.test.js文件:

 var Sails = require('sails'); var sails; before(function(done) { this.timeout(5000); Sails.lift({ // configuration for testing purposes }, function(err, server) { sails = server; if (err) return done(err); // here you can load fixtures, etc. done(err, sails); }); }); after(function(done) { // here you can clear fixtures, etc. Sails.lower(done); }); 

       

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