Fix bats TAP count mismatch on Ubuntu CI#2389
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Ubuntu 24.04 runners ship GNU parallel, so test/run detects it and runs bats with --jobs N --tap. This combination produces a TAP plan count mismatch (e.g. 256 executed vs 289 expected), causing exit code 1 even when all tests pass. Force TEST_JOBS=1 on Linux to use single-threaded bats; macOS keeps parallel (installed explicitly in the prior step). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
bats-core rejects --no-parallelize-within-files when --jobs 1 is passed
("requires at least --jobs 2"). Guard the parallel branch so TEST_JOBS=1
falls through to the plain single-threaded exec, which uses neither flag.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Problem
Ubuntu 24.04 GitHub Actions runners ship GNU
parallel, sotest/rundetects it and invokes bats with--jobs N --tap. This combination produces a TAP plan count mismatch — e.g.Executed 256 instead of expected 289 tests— causing exit code 1 even when every individual test passes. Seen in the CI run for #2387.This is the Linux-side counterpart of the issue fixed for macOS in #2379.
Fix
Set
TEST_JOBS: 1for Linux runners so bats falls back to single-threaded mode, sidestepping the--tap + --jobscount-mismatch bug. macOS keeps parallel execution as set up in #2379.Test plan