serverspec/serverspec — pull request #203 by hayato1980 (2013-07-04 23:31:39+00:00)
Title: Support rpm on be_installed` matcher

This pull request following test.

```
describe package('httpd') do
it { should be_installed.by('rpm').with_version('2.2.15-28.el6') }
end
```

until apply this patch, following result.

```
1) Package "httpd"
Failure/Error: it { should be_installed.by('rpm').with_version('2.2.15-28.el6') }
ArgumentError: `be_installed` matcher doesn't support rpm

`be_installed` matcher doesn't support rpm
```