test(ssh): add evidence driver for the update-wait launcher

Reproduces the PR #23005 launcher fixture rows (F1-F8b, F13, F14) against a
given checkout with throwaway HOMEs and real servers.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
901c5dcbb5Julius Marminge committed on 10/22/2026, 11:32:33 AMparent9f5ac28

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