Log Message:
-----------
Reduce the last group of parallel regression tests to 19 tests, per failure
on buildfarm member bear. Sync the test order in serial_schedule with that
in parallel_schedule.
Modified Files:
--------------
pgsql/src/test/regress:
parallel_schedule (r1.52 -> r1.53)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/parallel_schedule?r1=1.52&r2=1.53)
serial_schedule (r1.49 -> r1.50)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/serial_schedule?r1=1.49&r2=1.50)