Bugs that happen in Continuous Integration but not local

Your CI environment probably doesn’t mirror your development setup 100% of the time. So when stuff spectactularly fails testing elsewhere and not locally you might be tempted to throw your laptop in the bin.

81) BLAH
      Got 0 failures and 2 other errors:

      81.1) Failure/Error: BLAH
            
            IOError:
              closed stream
            # ./vendor/bundle/ruby/2.3.0/gems/aws-sdk-core-3.46.0/lib/seahorse/client/net_http/patches.rb:29:in `block in new_transport_request'
            # ./vendor/bundle/ruby/2.3.0/gems/aws-sdk-core-3.46.0/lib/seahorse/client/net_http/patches.rb:28:in `catch'
            # ./vendor/bundle/ruby/2.3.0/gems/aws-sdk-core-3.46.0/lib/seahorse/client/net_http/patches.rb:28:in `new_transport_request'
            # ./vendor/bundle/ruby/2.3.0/gems/fakeweb-1.3.0/lib/fake_web/ext/net_http.rb:50:in `request_with_fakeweb'
            # ./vendor/bundle/ruby/2.3.0/gems/webmock-3.0.1/lib/webmock/http_lib_adapters/net_http.rb:97:in `block in request'
            # ./vendor/bundle/ruby/2.3.0/gems/webmock-3.0.1/lib/webmock/http_lib_adapters/net_http.rb:110:in `block in request'
            # ./vendor/bundle/ruby/2.3.0/gems/webmock-3.0.1/lib/webmock/http_lib_adapters/net_http.rb:109:in `request'
            # ./vendor/bundle/ruby/2.3.0/gems/selenium-webdriver-3.141.0/lib/selenium/webdriver/remote/http/default.rb:121:in `response_for'
            # ./vendor/bundle/ruby/2.3.0/gems/selenium-webdriver-3.141.0/lib/selenium/webdriver/remote/http/default.rb:76:in `request'
            # ./vendor/bundle/ruby/2.3.0/gems/selenium-webdriver-3.141.0/lib/selenium/webdriver/remote/http/common.rb:62:in `call'
            # ./vendor/bundle/ruby/2.3.0/gems/selenium-webdriver-3.141.0/lib/selenium/webdriver/remote/bridge.rb:166:in `execute'
            # ./vendor/bundle/ruby/2.3.0/gems/selenium-webdriver-3.141.0/lib/selenium/webdriver/remote/oss/bridge.rb:584:in `execute'
            # ./vendor/bundle/ruby/2.3.0/gems/selenium-webdriver-3.141.0/lib/selenium/webdriver/remote/oss/bridge.rb:50:in `get'
            # ./vendor/bundle/ruby/2.3.0/gems/selenium-webdriver-3.141.0/lib/selenium/webdriver/common/navigation.rb:30:in `to'
            # ./vendor/bundle/ruby/2.3.0/gems/capybara-3.10.1/lib/capybara/selenium/driver.rb:46:in `visit'
            # ./vendor/bundle/ruby/2.3.0/gems/capybara-3.10.1/lib/capybara/session.rb:265:in `visit'
            # ./vendor/bundle/ruby/2.3.0/gems/capybara-3.10.1/lib/capybara/dsl.rb:51:in `block (2 levels) in <module:DSL>'
            # ./vendor/bundle/ruby/2.3.0/gems/rspec-rails-3.8.0/lib/rspec/rails/example/feature_example_group.rb:29:in `visit'