Tests

Additional cleanup #117

Job	Run time
Unit Tests / Dockerfile lint	5s
Unit Tests / Lint metadata.yaml	3s
Unit Tests / Lint and unit tests	26s
Unit Tests / Check libraries	6s
Unit Tests / Check license headers	33s
Unit Tests / Shell scripts lint	5s
Unit Tests / Style checker	0s
Unit Tests / Required Test Status Checks	3s
	1m 21s

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