Otherwise, if we expect a stanza and biboumi never sends it, we just hang
here.

Now, we display a nice error after 10 seconds, and move on to the next test,
as other failures (xpath doesn’t match) do

To avoid conflicting with the “host” build/ directory. This way we don’t
need to remove/empty the build/ directory beforehand, etc.

Shame.

Instead of having to write it manually everytime

I forgot to remove some things when I moved them into functions.py

fix #3372

Some duplication is avoided, but most importantly: it’s much much cleaner,
easier to find, functions have been cleaned up (functools.partial usages are
now hidden), etc.

close #3390

See #3390

Because it's much much simpler than to track if we changed the nick that
was requested in the join request. And client will probably not get confused,
I hope.

Too hard to maintain...