test(server): ACP adapter tests no longer race the prompt settle (#15330)

Takes over #14876.

Co-authored-by: tris203 <admin@snappeh.com>
Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
a21702d0e5Theo Browne committed on 10/3/2026, 9:28:20 PM· committed by GitHubparentf1dcd93
1 file changedLine totals unavailable