[Merged by Bors] - test: improve bootstrapper and checkpoint test #20045

Job	Run time
filter-changes	3s
lint	4m 15s
quicktests	2m 22s
build-tools (ubuntu-22.04)	1m 50s
build-tools (ubuntu-latest-arm-8-cores)	3m 37s
build-tools (macos-13)	2m 46s
build (ubuntu-22.04)	1m 55s
build-tools (self-hosted, macOS, ARM64, go-spacemesh)	12m 38s
build (ubuntu-latest-arm-8-cores)	3m 48s
unittests (ubuntu-22.04)	23m 17s
build-tools (windows-2022)	7m 10s
build (macos-13)	2m 56s
unittests (ubuntu-latest-arm-8-cores)	29m 59s
build (self-hosted, macOS, ARM64, go-spacemesh)	22s
unittests (self-hosted, macOS, ARM64, go-spacemesh)	19m 38s
build (windows-2022)	6m 16s
unittests (windows-2022)	30m 25s
ci-status	3s
	2h 33m 20s

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