seattlerb/zentest — pull request #51 by zzak (2013-10-22 21:12:57+00:00)
Title: Expand required rubygems version to be < 2.3

When trying to `gem install ZenTest` with RubyGems 2.2 I get the following error:

```
ZenTest requires RubyGems version < 2.2, >= 1.8. Try 'gem update --system' to update RubyGems itself.
```

This patch will fix it.