如何在项目中添加"rake test"

Lar*_*nal 5 rake ruby-on-rails-3

当我跑rake -T时,我发现rake test失踪了.我需要做什么才能完成这项任务?具体来说,我想运行,rake test:benchmark但似乎没有加载.例如...

$rake test:benchmark

rake aborted!
Don't know how to build task 'test:benchmark'
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Lar*_*nal 9

我的config/application.rb档案遗漏了这一行:

require 'rails/all'
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