Feature/unit tests

[laurencejackson]

Adds tests functions for Experiment class and adds Github actions for:

• linting
• testing
• reporting coverage to PR

[github-actions[bot]]

:white_check_mark: Result of Pytest Coverage

---------- coverage: platform linux, python 3.8.12-final-0 -----------	Name	Stmts	Miss	Cover
mlops/Experiment.py	88	9	90%
mlops/ProjectFile.py	22	1	95%
mlops/init.py	0	0	100%
TOTAL	110	10	91%
===========================	short	test	summary
FAILED	tests/mlops/test_Experiment.py::TestExperiment::test_run	-	docker.erro...
=============	1	failed,	9

[github-actions[bot]]

Coverage Report

File	Stmts	Miss	Cover	Missing
mlops
Experiment.py	88	10	89%	40–41, 72, 89, 113–116, 120–121, 131
ProjectFile.py	22	1	95%	19
TOTAL	110	11	90%

Tests	Skipped	Failures	Errors	Time
10	0 :zzz:	1 :x:	0 :fire:	220.669s :stopwatch:

[laurencejackson]

This is ready for review now. It makes pretty much all the same changes as the hazen testing update.