Test

Fixes leaked System V shared-memory segments in tests #5536

Job	Run time
Generate Matrix	14s
Suite / ALPINE_X64_ASAN_DEBUG_ZTS	34m 43s
Suite / LINUX_X64_RELEASE_NTS	22m 11s
Suite / WINDOWS_X64_ZTS	46m 16s
Suite / FREEBSD_NTS	12m 15s
Suite / LINUX_X64_ASAN_DEBUG_ZTS	46m 22s
Suite / LINUX_X32_DEBUG_ZTS	12m 47s
Suite / MACOS_ARM64_DEBUG_NTS	23m 20s
Suite / BENCHMARKING	13m 31s
Suite / SOLARIS	0s
Suite / OPCACHE_VARIATION	0s
Suite / LINUX_PPC64_ASAN_DEBUG_ZTS	0s
Suite / MSAN	0s
Suite / COMMUNITY_${{ matrix.type }}	0s
Suite / LIBMYSQLCLIENT	0s
Suite / COVERAGE	0s
	3h 31m 39s

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