[CSI] unit tests refactoring #7901

Job	Run time
check-running-allowed	3s
create-build-and-test-target-var	1s
Build and test (asan)	0s
Build and test (tsan)	0s
Build and test (msan)	0s
Build and test (ubsan)	0s
Build and test / Start self-hosted runner (relwithdebinfo)	2m 22s
Build and test / Build and test NBS (${{ inputs.build_preset }}) [id=${{ needs.provide-runner.outputs.instance-id }} local_ip=${{ needs.provide-runner.outputs.runner_local_ipv4 }} ip=${{ needs.provide-runner.outputs.runner_ipv4 }}]	1s
Build and test / Sleep ${{ needs.build-and-test.outputs.sleep_after_tests \|\| '0' }}s if build failed	1s
Build and test / Release self-hosted runner (relwithdebinfo) [id=dp74nfnpdi6ijtg54apj local_ip=10.10.10.30 ip=195.242.16.247]	2m 7s
	4m 35s

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