Tests

fix(security): harden temp-dir handling against symlink/env-override … #2335

Job	Run time
windows-acceptance (m-z, tests/acceptance/bashunit_[m-z]_test.sh tests/acceptance/[i-p]_test.sh)	4m 10s
windows-acceptance (a-e, tests/acceptance/bashunit_[a-e]*_test.sh)	1m 7s
Ubuntu - Japanese Locale	2m 43s
Alpine - parallel extended	1m 19s
Alpine - sequential	2m 34s
macOS - latest	5m 48s
windows-acceptance (f-l, tests/acceptance/bashunit_[f-l]*_test.sh)	1m 23s
Ubuntu - make test	2m 57s
Windows - functional	40s
Ubuntu - Brazilian Locale	2m 46s
Windows - unit r-z	2m 11s
Ubuntu - Spanish Locale	3m 32s
Windows - unit a-b	1m 38s
Windows - unit h-p	1m 18s
Ubuntu - parallel extended	1m 28s
Windows - unit d-g	1m 6s
Ubuntu - simple	2m 46s
Ubuntu - strict	1m 34s
Ubuntu - parallel simple	1m 22s
Windows - unit c + coverage	1m 53s
Alpine - parallel simple	1m 21s
	45m 36s

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