thoughtbot/paperclip — pull request #1727 by soramugi (2014-12-13 02:20:23+00:00)
Title: Rspec 3 Use `failure_message`

Deprecation Warnings:

```
`failure_message_for_should` is deprecated. Use `failure_message` instead. Called from /Users/mugi/git/paperclip/spec/support/matchers/have_column.rb:11:in `block in '.
```