pgsql: alter_generic regression test cannot run concurrently with privi

pgsql: alter_generic regression test cannot run concurrently with privi

alter_generic regression test cannot run concurrently with privileges test.

... because the latter plays games with the privileges for language SQL.
It looks like running alter_generic in parallel with "misc" is OK though.

Also, adjust serial_schedule to maintain the same test ordering (up to
parallelism) as parallel_schedule.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/b72bd3d1c65886c21a961830325f11a3f7a41799

Modified Files
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src/test/regress/parallel_schedule |    8 ++++++--
src/test/regress/serial_schedule   |    4 ++--
2 files changed, 8 insertions(+), 4 deletions(-)