hello world test added #3

Job	Run time
build_system	26s
build (gcc-13.deb, --mini-tests)	6m 8s
duplicates	3s
build (gcc-13.deb, --std-tests)	5m 50s
build (gcc-13.deb, --test-libcore)	13m 17s
build (gcc-13.deb, --extended-rand-tests)	8m 17s
build (gcc-13.deb, --extended-regex-example-tests)	6m 12s
build (gcc-13.deb, --extended-regex-tests)	11m 38s
build (gcc-13.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	11m 39s
build (gcc-13.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	11m 21s
build (gcc-13.deb, --projects)	16m 35s
build (gcc-13-without-int128.deb, --mini-tests)	5m 45s
build (gcc-13-without-int128.deb, --std-tests)	6m 0s
build (gcc-13-without-int128.deb, --test-libcore)	13m 42s
build (gcc-13-without-int128.deb, --extended-rand-tests)	8m 42s
build (gcc-13-without-int128.deb, --extended-regex-example-tests)	6m 20s
build (gcc-13-without-int128.deb, --extended-regex-tests)	11m 20s
build (gcc-13-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	11m 17s
build (gcc-13-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	12m 15s
build (gcc-13-without-int128.deb, --projects)	16m 37s
	3h 3m 24s

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