chore: refactor `unit-test` and `int-test` targets #6135

Job	Run time
Format check	49s
Unit tests (macos-latest)	1m 7s
Unit tests (windows-latest)	2m 30s
Unit tests (ubuntu-latest)	1m 16s
Linter	5m 2s
Integration tests (ubuntu-latest)	1m 42s
Build	1m 34s
Integration tests (macos-latest)	1m 26s
E2E tests (macos-latest)	6m 11s
Integration tests (windows-latest)	3m 13s
E2E tests (ubuntu-latest)	7m 1s
E2E tests (windows-latest)	14m 59s
	46m 50s

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