[#47] Unittests Part1

[pauljv92]

Make sure you have checked all steps below.

GitHub Issue

Fixes #47

Checklist:

• This pull request updates the documentation
• This pull request changes library dependencies
• Title of the PR is of format (example) : [[#14] Add Issue Template #17] Add Issue Template

What is the purpose of this pull request?

Part 1 of Unittests

How was this change validated?

Run with these commands: ipython -c "import nose; nose.run()" AND nosetests --with-coverage --cover-package=ppextensions/

Commit Guidelines

• My commits all reference GH issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "How to write a good git commit message"

[praveen-kanamarlapudi]

Can you fix the PR Quality Review checks?

[pauljv92]

@praveenkanamarlapudi done!

[praveen-kanamarlapudi]

LGTM. Leaving for others to review.

[praveen-kanamarlapudi]

NIT - can we avoid these changes

[praveen-kanamarlapudi]

@pauljv92 Can you rebase and update the PR?

[pauljv92]

@praveenkanamarlapudi sure will do!