chore: format `get_slice_test` #303

Job	Run time
linux / setup (ubuntu-20.04)	7s
macos / setup (macos-latest, v_macos_arm64.zip)	11s
linux / setup (ubuntu-latest)	13s
macos / setup (macos-12, v_macos_x86_64.zip)	11s
macos / test (macos-12, tcc)	33s
macos / test (macos-12, clang)	39s
macos / test (macos-12, clang, -W -cstrict)	31s
macos / test (macos-latest, tcc)	14s
macos / test (macos-latest, clang)	14s
macos / test (macos-latest, clang, -W -cstrict)	13s
linux / test-sanitzed (gcc, address,leak,undefined,shift,shift-exponent,shift-base,integer-divide-by-zero...	37s
linux / test (ubuntu-20.04, tcc)	9s
linux / test-sanitzed (gcc, thread)	32s
linux / test (ubuntu-20.04, gcc)	29s
linux / test-sanitzed (clang, address,leak,undefined)	35s
linux / test-sanitzed (clang, thread)	33s
linux / test (ubuntu-20.04, gcc, -W -cstrict)	33s
linux / test (ubuntu-20.04, clang)	19s
linux / test (ubuntu-20.04, clang, -W -cstrict)	40s
linux / test (ubuntu-latest, tcc)	16s
linux / lint / fmt	6s
linux / test (ubuntu-latest, gcc)	33s
linux / lint / check-md	6s
linux / test (ubuntu-latest, gcc, -W -cstrict)	42s
linux / lint / vet	4s
linux / test (ubuntu-latest, clang)	26s
linux / test (ubuntu-latest, clang, -W -cstrict)	21s
	10m 7s

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