tests and coverage with matlab #193

Job	Run time
tests_matlab (R2021a, ubuntu-latest)	2m 49s
tests_matlab (R2021a, macos-latest)	6m 36s
tests_matlab (R2021a, windows-latest)	4m 8s
tests_matlab (R2021b, ubuntu-latest)	3m 19s
tests_matlab (R2021b, macos-latest)	6m 10s
tests_matlab (R2021b, windows-latest)	5m 36s
tests_matlab (R2022a, ubuntu-latest)	3m 40s
tests_matlab (R2022a, macos-latest)	8m 19s
tests_matlab (R2022a, windows-latest)	5m 0s
tests_matlab (R2022b, ubuntu-latest)	3m 41s
tests_matlab (R2022b, macos-latest)	6m 15s
tests_matlab (R2022b, windows-latest)	5m 21s
	1h 0m 54s

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