This is really testing getopt more than pg_dump, and what getopt returns
exactly appears to differ based on platform, so remove this test.
Per buildfarm.
qr/\Qpg_dump: option --if-exists requires option -c\/--clean\E/,
'pg_dump: option --if-exists requires option -c/--clean');
-command_fails_like(
- [ 'pg_dump', '-j' ],
- qr/\Qpg_dump: option requires an argument -- 'j'\E/,
- 'pg_dump: option requires an argument -- \'j\'');
-
command_fails_like(
[ 'pg_dump', '-j3' ],
qr/\Qpg_dump: parallel backup only supported by the directory format\E/,