Add functional tests to each project

[rdmolony]

Is your feature request related to a problem? Please describe.
It won't be possible to update project dependencies without creating bugs unless there are tests to catch where these bugs occur

Describe the solution you'd like
Basic functional tests for each project...

Each project produces the expected output given some sample data

Note: Mocking out s3 or 3rds party sources

[rdmolony]

Ref #127