Add test

[froi]

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Summary

This PR is adding tests to this project as stated in issue #2

This PR fixes/implements the following bugs/features

• [x] Feature #2

Motivation

Every project should have some tests. It's just the right thing to do.

Tests

Well I am writing them but ....

These are the initial test results. It is just one test at the moment of the creation of the draft PR.

Code formatting

Closing issues

Closes #2

[froi]

Hey Code.gov.

There is still some work to be done to completely add tests to this project, but I'm noticing that the PR would be to big. I'd prefer to keep this small.

The tests that have been added are for the utils.js and the formatter service. What would you say to leaving this PR here and opening new smaller PRs as tests are being added for other services?

CC: @saracope @AminPIC @bjbhatt

[saracope]

That sounds good @froi. Smaller PR's are my preference. Thanks!

[froi]

Sounds good @saracope. I think you all can review when ready.

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