rails/rails — pull request #10396 by tkhr (2013-05-01 16:43:36+00:00)
Title: Extract tests code out from AR's base_test.rb to integration_test.rb

`AR::Base#to_param` and `AR::Base#cache_key` is defined at
active_record/integration.rb, so tests for those methods should be at
integration_test.rb :smile: