adds unit testing tools

[warrenv]

Description of Changes

• Adds ts-node, riteway, sinon as unit and integration testing tools

Run:

  $ npm install
  $ npm run test:unit

You should see 2 passing tests.

PR Review Checklist

• Have you tested the changes?
• Is QE review required? If so, has this been reviewed by QE? (For all new features, review by QE is required. Minor changes which already have passing functional tests may not need a new QE review -- when in doubt, loop in a QE reviewer).
• Are there code changes that require new unit tests? If so, are those tests included? (A separate PR for tests is not appropriate).
• Are documentation updates required? If so, does this PR include it? (Separate documentation PR is generally not appropriate).
• Are the added/edited files named appropriately and located correctly in the project directory structure?

[jwicks31]

PR Review Checklist

• Have you tested the changes?
• Is QE review required? If so, has this been reviewed by QE? (For all new features, review by QE is required. Minor changes which already have passing functional tests may not need a new QE review -- when in doubt, loop in a QE reviewer).
• Are there code changes that require new unit tests? If so, are those tests included? (A separate PR for tests is not appropriate).
• Are documentation updates required? If so, does this PR include it? (Separate documentation PR is generally not appropriate).
• Are the added/edited files named appropriately and located correctly in the project directory structure?