2.380 update failed

[basil]

Jenkins and plugins versions report

Jenkins 2.380

What Operating System are you using (both controller, and any agents involved in the problem)?

Ubuntu 22.04.1 LTS x86_64

Reproduction steps

With the update to 2.380 as in #1611 run PLUGINS=matrix-auth TEST=org.jenkinsci.plugins.matrixauth.ReadOnlyTest bash local-test.sh.

Expected Results

The test passes in less than 30 seconds.

Actual Results

The test passes in more than 30 seconds, or times out on CI builds that have a 180-second timeout.

Anything else?

Analysis in #1611 (comment).