libsemanage/tests: misc cleanup #613

Job	Run time
build (gcc, 3.12, 3.3)	2m 2s
build (gcc, 3.12, 3.3, test-flags-override)	1m 39s
build (gcc, 3.12, 3.3, test-debug)	1m 26s
build (gcc, 3.12, 3.3, linker-bfd)	1m 33s
build (gcc, 3.12, 3.3, linker-gold)	1m 34s
build (gcc, 3.11, 3.3)	1m 29s
build (gcc, 3.10, 3.3)	1m 59s
build (gcc, 3.9, 3.3)	1m 39s
build (gcc, 3.8, 3.3)	1m 34s
build (gcc, 3.7, 3.3)	1m 39s
build (gcc, pypy3.7, 3.3)	2m 1s
build (gcc, 3.12, 3.2)	1m 40s
build (gcc, 3.12, 3.1)	1m 43s
build (gcc, 3.12, 3.0)	1m 48s
build (gcc, 3.12, 2.7)	1m 49s
build (gcc, 3.12, 2.6)	1m 44s
build (gcc, 3.12, 2.5)	1m 52s
build (clang, 3.12, 3.3)	1m 54s
build (clang, 3.12, 3.3, test-flags-override)	1m 53s
build (clang, 3.12, 3.3, test-debug)	1m 31s
build (clang, 3.11, 3.3)	1m 38s
build (clang, 3.10, 3.3)	1m 44s
build (clang, 3.9, 3.3)	1m 46s
build (clang, 3.8, 3.3)	1m 41s
build (clang, 3.7, 3.3)	1m 46s
build (clang, pypy3.7, 3.3)	2m 12s
build (clang, 3.12, 3.2)	1m 50s
build (clang, 3.12, 3.1)	1m 44s
build (clang, 3.12, 3.0)	1m 41s
build (clang, 3.12, 2.7)	1m 54s
build (clang, 3.12, 2.6)	2m 10s
build (clang, 3.12, 2.5)	1m 53s
build (gcc, 3.12, 3.3, sanitizers)	2m 9s
	58m 37s

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