在rails中，使用rake命令或者test命令中拋出了一個錯誤:

Finished in 0.316243s, 50.5940 runs/s, 88.5395 assertions/s.
.../.rvm/gems/ruby-2.4.1@ruby2.4.1-rails5.0/gems/railties-5.0.2/lib/rails/test_unit/minitest_plugin.rb:9:in `aggregated_results': wrong number of arguments (given 1, expected 0) (ArgumentError)
    from .../.rvm/gems/ruby-2.4.1@ruby2.4.1-rails5.0/gems/minitest-5.10.2/lib/minitest.rb:597:in `report'
    from .../.rvm/gems/ruby-2.4.1@ruby2.4.1-rails5.0/gems/minitest-5.10.2/lib/minitest.rb:687:in `each'
    from .../.rvm/gems/ruby-2.4.1@ruby2.4.1-rails5.0/gems/minitest-5.10.2/lib/minitest.rb:687:in `report'
    from .../.rvm/gems/ruby-2.4.1@ruby2.4.1-rails5.0/gems/minitest-5.10.2/lib/minitest.rb:141:in `run'
    from .../.rvm/gems/ruby-2.4.1@ruby2.4.1-rails5.0/gems/railties-5.0.2/lib/rails/test_unit/minitest_plugin.rb:72:in `run'
    from .../.rvm/gems/ruby-2.4.1@ruby2.4.1-rails5.0/gems/minitest-5.10.2/lib/minitest.rb:63:in `block in autorun'

這是一個bug，rails在這次更新中修復了它rails/rails#29022，但是因為種種原因，不想更新版本怎么辦？

在Gemfile中加入這樣一行:

gem "minitest", "5.10.1"

在對應的環境(test或者development)下，再執行bundle install即可解決。