Unit test to check some files

[gabrielclima]

Fixes #52

Checklist

• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I have read the [Contribution Guide] and my PR follows them.
• I updated my branch with the master branch.
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation about the functionality in the appropriate .md file
• I have added in line documentation to the code I modified

Short description of what this PR does:

Create test to check some repo files

[SendGridDX]

All committers have signed the CLA.

[gabrielclima]

Missing files:

• docker/Docker
• docker/docker-compose.yml
• .codeclimate.yml
• LICENSE.md
• USE_CASES.md

Travis CI log : travis-ci.org/sendgrid/rest/jobs/294564675

[thinkingserious]

@gabrielclima

We have not been able to merge your Pull Request, but because you are awesome - we wanted to make sure you could still get a SendGrid Hacktoberfest shirt.

Please go fill out our swag form before Nov 5th and we will send the shirt! (We know that you might have tried this before and it didn’t work, sorry about that!)

You have till Nov 5th to fill out this form in order to get the Hacktoberfest shirt!

Thank you for contributing during Hacktoberfest! We hope to see you in the repos soon! Just so you know, we always give away a SendGrid shirt for your first ever non-Hacktoberfest PR that gets merged.

[gabrielclima]

@thinkingserious thank you and @sendgrid for love community! <3

[mbernier]

If you are interested, we would love the opportunity to talk to you about Hacktoberfest and our API libraries.

Our agenda would be: Explore what you liked and is there anything we can do to improve?

You can grab a time on my calendar that works for you and we can have a chat on Google Hangout or Skype. If you prefer, you can email me using my GitHub username at my company’s domain.

Thank you so much,

Matt Bernier - @mbernier - SendGrid Developer Experience Product Manager
Elmer Thomas - @thinkingserious - SendGrid Developer Experience Engineer
@sendgrid

[gabrielclima]

@mbernier it would be a honor!
thank you for the oportunity, but my english is still bad to a live talk hehehe
i followed you on twitter and i'll talk to you via email eventually :)

[mbernier]

@gabrielclima my email is my github user at my company's domain - hit me up, I am more than happy to communicate over email.

[thinkingserious]

Hello @gabrielclima,

Thanks again for the PR!

We appreciate your contribution and look forward to continued collaboration. Thanks!

Team SendGrid DX