chore: refactor `unit-test` and `int-test` targets #6131

Job	Run time
Linter	5m 19s
Integration tests (ubuntu-latest)	1m 42s
Integration tests (windows-latest)	3m 13s
Format check	52s
Unit tests (windows-latest)	2m 31s
Integration tests (macos-latest)	1m 37s
Unit tests (ubuntu-latest)	1m 23s
Unit tests (macos-latest)	1m 3s
E2E tests (macos-latest)	7m 7s
Build	1m 41s
E2E tests (windows-latest)	14m 22s
E2E tests (ubuntu-latest)	7m 6s
	47m 56s

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