Fix test isolation #1063

Job	Run time
Test Various Build Configurations	2m 21s
Slackware-ubuntu-latest-	1m 13s
default-ubuntu-24.04-clang	1m 50s
default-ubuntu-22.04-gcc	1m 29s
OpenSuse-Tumbleweed-ubuntu-latest-	28s
default-ubuntu-24.04-gcc	59s
default-ubuntu-22.04-clang	1m 40s
Alpine-ubuntu-latest-	15s
OpenBSD	2m 52s
macos-brew-canfigger	59s
macos-bundled-canfigger	44s
	14m 50s

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