On 2023-02-14 23:06, Jim Porter wrote:
> Interesting. Running "./configure && make -j4 && make -j4 check" on both 
> Emacs master and the 29 branch shows these tests passing for me.

I tried running it again on Ubuntu, several times, and this time 
server-tests.el succeeded. As you say, it may be a timing-related bug.

I still see other failures related to coding systems and the locale and 
reported them as Bug#61534.

https://bugs.gnu.org/61534