mizzy/serverspec — pull request #131 by linyows (2013-05-28 07:12:56+00:00)
Title: support provider with path

example:

```ruby
describe 'Gem' do
let(:gem) { "/usr/local/rbenv/shims/gem" }

%w(pry
awesome_print
bundler
hub
active_support).each do |p|
describe package(p) do
it { should be_installed.by gem }
end
end
end
```