Files
codex/codex-rs/core/tests/suite
goodman-oai 3206e532d7 Assert shell tool overlap directly in the parallelism test (#56006)
## Why

A total-duration assertion does not prove that two shell commands overlap and depends on execution speed.

## What changed

Update `shell_tools_run_in_parallel` to wait for both commands to create start markers before releasing them through a shared file. Fail if both commands do not start within five seconds, and verify that each command exits successfully and returns its expected output.

GitOrigin-RevId: ba322157a60951ad5dd2f1b018ddc6007de1de89
2026-10-21 22:48:29 +00:00
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