Add "testing" to github-actions

[tijko]

This is the beginning stagings for having the the github actions build pipelines given the ability to run over various other branches without the need to necessarily "release" or "version-bump".

Once I have more comprehensive test-suites in place I will begin to highlight the obvious usecases and utility in having more than one standard build pipeline.

[x] Verify design and implementation
[x] Verify test coverage and CI build status
[x] Verify documentation (including upgrade notes)

[CLAassistant]

All committers have signed the CLA.

[tijko]

As an aside, I apologize I have been side tracked with quite a bit of various other day-to-day tasks.

I am following now through and testing some Github Actions that I had in mind.