[release-1.12] Fix precompilation tests when run from runtests.jl#60201

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Keno merged 1 commit intorelease-1.12from

claude/fix-1.12-precompile-output-01WvRzFWXwv3ptkBd75oeTsd

Nov 22, 2025

Commits on Nov 22, 2025

test: Set JULIA_TESTS to suppress precompilation output in subprocesses
claude
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