运行测试时，我开始在项目on this repo中随机获取以下堆栈跟踪。我的伙伴分叉和克隆，他没有得到错误。我还有其他项目调用交付方法，他们没有问题。我尝试删除文件并重新克隆，但仍然无法正常工作。老实说，我不知道从哪里开始。任何帮助将不胜感激。
Failure/Error: Unable to find matching line from backtrace
NoMethodError:
undefined method `deliveries' for ActionMailer::Base:Class
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/actionmailer-4.1.1/lib/action_mailer/base.rb:553:in `method_missing'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/actionmailer-4.1.1/lib/action_mailer/test_case.rb:59:in `initialize_test_deliveries'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-rails-3.0.1/lib/rspec/rails/adapters.rb:109:in `block (2 levels) in setup'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:294:in `instance_exec'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:294:in `instance_exec'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:349:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:410:in `block in run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:410:in `each'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:410:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:485:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:340:in `run_before_example'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:147:in `block in run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `call'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `block (2 levels) in <class:Procsy>'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-rails-3.0.1/lib/rspec/rails/adapters.rb:68:in `block (2 levels) in <module:MinitestLifecycleAdapter>'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:294:in `instance_exec'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:294:in `instance_exec'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:430:in `block (2 levels) in run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `call'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `block (2 levels) in <class:Procsy>'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:432:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:485:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:303:in `with_around_example_hooks'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:145:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:494:in `block in run_examples'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:490:in `map'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:490:in `run_examples'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:457:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:458:in `block in run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:458:in `map'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:458:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:112:in `block (2 levels) in run_specs'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:112:in `map'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:112:in `block in run_specs'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/reporter.rb:54:in `report'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:108:in `run_specs'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:86:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:70:in `run'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:38:in `invoke'
# /Users/Evan/.rvm/gems/ruby-2.1.1/gems/rspec-core-3.0.2/exe/rspec:4:in `<top (required)>'
# /Users/Evan/.rvm/gems/ruby-2.1.1/bin/rspec:23:in `load'
# /Users/Evan/.rvm/gems/ruby-2.1.1/bin/rspec:23:in `<main>'
# /Users/Evan/.rvm/gems/ruby-2.1.1/bin/ruby_executable_hooks:15:in `eval'
# /Users/Evan/.rvm/gems/ruby-2.1.1/bin/ruby_executable_hooks:15:in `<main>'
#
# Showing full backtrace because every line was filtered out.
# See docs for RSpec::Configuration#backtrace_exclusion_patterns and
# RSpec::Configuration#backtrace_inclusion_patterns for more information.
答案 0 :(得分：0)
显然问题是我的宝石。我不确定它是如何发生的，因为它似乎正在编写测试中的代码，但我安装了一个新的gemset，一切都很好。感谢任何花时间阅读此内容或编辑我的帖子的人。