chore: refactor `unit-test` and `int-test` targets #6151

Job	Run time
Linter	5m 4s
Unit tests (macos-latest)	1m 40s
Unit tests (ubuntu-latest)	1m 15s
Unit tests (windows-latest)	2m 37s
Format check	45s
Integration tests (windows-latest)	3m 43s
E2E tests (ubuntu-latest)	7m 17s
E2E tests (macos-latest)	5m 46s
E2E tests (windows-latest)	13m 21s
Integration tests (macos-latest)	2m 32s
Integration tests (ubuntu-latest)	1m 36s
Build	1m 33s
	47m 9s

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