Setup GitHub Actions for running QA testing suite

## Objective
Support progress toward the [Report Test Cases...][1] milestone by _adding continuous integration of our QA pipeline changes_

## Key Result
- [ ] Commit code for a QA testing suite
- [ ] Set up the GitHub actions for automatically running this test suite
- [ ] Report test case coverage each time it runs

## Details

**Additional context**
During our meeting with Dr. Khosmood on Jan 17, 2020, @foaad suggested that we create a test suite of standard questions that we run on each iteration of our question-answering pipeline to make sure our code works.

[1]: https://github.com/calpoly-csai/api/milestones