Added test for OptionSubjectTrait
Merge pull request #29 from lmammino/26-write-tests-for-optionsubjecttrait

merge #29 Tests for OptionSubjectTrait (lmammino)

This PR was merged into lmammino:master branch.

Discussion
----------

|Q            |A  |
|---          |---|
|Bug Fix?     |n  |
|New Feature? |n  |
|BC Breaks?   |n  |
|Deprecations?|n  |
|Tests Pass?  |y  |
|Fixed Tickets|#26|
|License      |MIT|
|Doc PR       |   |
                   

Closes #26


 Sent using [Gush](https://github.com/gushphp/gush)

Commits
-------

5ced8e932ab9be4bf513a0db864fdeb54e8bb0eb Added test for OptionSubjectTrait (lmammino)