REFACTOR: Test architecture and CICD #2337

Job	Run time
Running unit tests	1m 55s
Running unit tests	1m 55s
Testing solvers and coverage (Windows)	30m 53s
Testing solvers and coverage (Windows)	30m 53s
Testing solvers and coverage (Linux)	47m 43s
Testing solvers and coverage (Linux)	47m 43s
Testing and coverage (Windows)	54m 34s
Testing and coverage (Windows)	26m 11s
Testing and coverage (Linux)	22m 10s
Testing and coverage (Linux)	22m 10s
	4h 46m 7s

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