/home/si/.rvm/rubies/ruby-2.2.1/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- debugger (LoadError)
from /home/si/.rvm/rubies/ruby-2.2.1/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/si/.rvm/gems/ruby-2.2.1/gems/rspec-core-3.3.2/lib/rspec/core/configuration.rb:1327:in `load'
from /home/si/.rvm/gems/ruby-2.2.1/gems/rspec-core-3.3.2/lib/rspec/core/configuration.rb:1327:in `block in load_spec_files'
from /home/si/.rvm/gems/ruby-2.2.1/gems/rspec-core-3.3.2/lib/rspec/core/configuration.rb:1325:in `each'
from /home/si/.rvm/gems/ruby-2.2.1/gems/rspec-core-3.3.2/lib/rspec/core/configuration.rb:1325:in `load_spec_files'
from /home/si/.rvm/gems/ruby-2.2.1/gems/rspec-core-3.3.2/lib/rspec/core/runner.rb:102:in `setup'
from /home/si/.rvm/gems/ruby-2.2.1/gems/rspec-core-3.3.2/lib/rspec/core/runner.rb:88:in `run'
from /home/si/.rvm/gems/ruby-2.2.1/gems/rspec-core-3.3.2/lib/rspec/core/runner.rb:73:in `run'
from /home/si/.rvm/gems/ruby-2.2.1/gems/rspec-core-3.3.2/lib/rspec/core/runner.rb:41:in `invoke'
from /home/si/.rvm/gems/ruby-2.2.1/gems/rspec-core-3.3.2/exe/rspec:4:in `<top (required)>'
from /home/si/.rvm/gems/ruby-2.2.1/bin/rspec:23:in `load'
from /home/si/.rvm/gems/ruby-2.2.1/bin/rspec:23:in `<main>'
from /home/si/.rvm/gems/ruby-2.2.1/bin/ruby_executable_hooks:15:in `eval'
from /home/si/.rvm/gems/ruby-2.2.1/bin/ruby_executable_hooks:15:in `<main>'
我从存在lib和spec的文件夹中键入rspec以获取此错误。我试着搜索其他链接无济于事。基本上，我需要运行自动测试，但它显示＆＃34;要求无法加载文件＆＃34;错误。
解决方案是什么？ 非常感谢提前。