Resolve "updateUnitTests"

Please fill in the appropriate checklist below (delete those which are not relevant). These are the most common things requested on pull requests.

PR checklist

• This comment contains a description of changes (with reason)

• If you've fixed a bug or added code that should be tested, add tests!

• Documentation in docs is updated

• README.md is updated

• Close issue
  Closes #14 (closed)

/cc @ghenry @venkat.malladi

Updated tests to more current standard, and enhanced all tests for unit and integration.