Fix expected output for query that used to produce incorrect result.
Fix expected output for query that used to produce incorrect result.

This query produces incorrect result on master, and we have memorized the
incorrect result in the expected output. But now you get the correct result,
so fix the expected output

Created github issue https://github.com/greenplum-db/gpdb/issues/3504 to
track the bug.

jmcatamney/gpdb,adam8157/gpdb,adam8157/gpdb,greenplum-db/gpdb,lisakowen/gpdb,50wu/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,lisakowen/gpdb,yuanzhao/gpdb,edespino/gpdb,greenplum-db/gpdb,Chibin/gpdb,50wu/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,Chibin/gpdb,xinzweb/gpdb,lisakowen/gpdb,Chibin/gpdb,yuanzhao/gpdb,edespino/gpdb,edespino/gpdb,lisakowen/gpdb,50wu/gpdb,adam8157/gpdb,50wu/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,edespino/gpdb,xinzweb/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,adam8157/gpdb,xinzweb/gpdb,yuanzhao/gpdb,xinzweb/gpdb,edespino/gpdb,Chibin/gpdb,greenplum-db/gpdb,adam8157/gpdb,xinzweb/gpdb,ashwinstar/gpdb,edespino/gpdb,50wu/gpdb,Chibin/gpdb,edespino/gpdb,yuanzhao/gpdb,adam8157/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,edespino/gpdb,lisakowen/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,Chibin/gpdb,edespino/gpdb,Chibin/gpdb,greenplum-db/gpdb,lisakowen/gpdb,adam8157/gpdb,edespino/gpdb,50wu/gpdb,lisakowen/gpdb,xinzweb/gpdb,Chibin/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,lisakowen/gpdb,jmcatamney/gpdb,Chibin/gpdb,yuanzhao/gpdb,xinzweb/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,adam8157/gpdb,Chibin/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,xinzweb/gpdb,50wu/gpdb,50wu/gpdb