makefile: add unit test helpers #1942

Job	Run time
check commits	4m 20s
integration test	16m 49s
frontend tests on ubuntu-latest	2m 20s
backend build on ubuntu-latest	3m 0s
frontend tests on windows-latest	6m 44s
backend build on windows-latest	15m 15s
lint	2m 6s
frontend tests on macOS-latest	1m 54s
RPC proto compilation check	3m 29s
backend build on macOS-latest	5m 6s
check release notes updated	3s
unit tests	1m 52s
unit-race	2m 37s
	1h 5m 35s

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