> Could you look into the log files in that test directory what is going
> on?
Command 'test-result-format' not found in
/Users/hasegeli/Developer/postgres/tmp_install/Users/hasegeli/.local/pgsql/bin,
/Users/hasegeli/.local/bin, /opt/homebrew/bin, /usr/local/bin,
/usr/bin, /bin, /usr/sbin, /sbin,
/Users/hasegeli/Developer/postgres/src/test/modules/libpq_extended at
/Users/hasegeli/Developer/postgres/src/test/modules/libpq_extended/../../../../src/test/perl/TestLib.pm
line 818.
Maybe you forgot to commit the file in the test?
> The test setup is closely modeled after
> src/test/modules/libpq_pipeline/. Does that one run ok?
Yes