[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit 74d30e9399b0a08342045919abe7a82661d3338b
Author: Andrew Cagney <cagney at gnu.org>
Date:   Tue Apr 20 13:28:56 2021 -0400

    testing: ping-once tweaks