Simplify persisting tower local cluster tests #15475

Job	Run time
cargo-test-sbf (token/program)	7m 36s
check	4m 15s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	7m 35s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	18s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	7m 14s
test (single-pool/cli, single-pool/program)	28s
cargo-test-sbf (token-upgrade/program)	6m 47s
test (token-upgrade/cli, token-upgrade/program)	32s
cargo-test-sbf (feature-proposal/program)	6m 34s
cargo-test-sbf (governance/addin-mock/program, governance/program)	7m 36s
cargo-test-sbf (name-service/program)	6m 12s
cargo-test-sbf (stake-pool/program)	7m 36s
cargo-test-sbf (single-pool/program)	7m 33s
	1h 10m 16s

Provide feedback