Build

- Added handler unit tests. #579

Job	Run time
MacOS Build	10m 6s
MacOS ARM Build	4m 11s
Docker Build (linux/amd64)	7m 39s
Test Python Package Build	45s
Docker Build (linux/arm64)	6m 19s
Windows Build	25m 29s
Linux arm64 Build	22m 28s
Linux Build	9m 9s
Docker Test (linux/arm64, postgres_tcp)	3m 21s
Docker Test (linux/amd64, sqlite)	11m 7s
Docker Test (linux/arm64, sqlite)	2m 55s
Docker Test (linux/amd64, postgres_tcp)	25m 9s
WSL Test	15m 39s
Linux Test (test/registry)	3m 18s
Linux Test (test/registry-mocked)	20m 22s
dockermerge	6s
	2h 48m 3s

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