test_error is used to raise an error to test if exception_notification really works.
add in Gemfile
gem "test_error", "~> 1.0.0"
visit http://yourapp.com/test_error, then an error raised. if you setup exception_notification correctly, you should receive the exception notify email.
Copyright © 2010 Richard Huang (firstname.lastname@example.org), released under the MIT license