Add time warning about bigtests.
Add time warning about bigtests.

snaga/postgres-xl,atris/gpdb,atris/gpdb,ashwinstar/gpdb,randomtask1155/gpdb,greenplum-db/gpdb,royc1/gpdb,lisakowen/gpdb,lpetrov-pivotal/gpdb,0x0FFF/gpdb,janebeckman/gpdb,lintzc/gpdb,yazun/postgres-xl,arcivanov/postgres-xl,greenplum-db/gpdb,zaksoup/gpdb,adam8157/gpdb,foyzur/gpdb,CraigHarris/gpdb,Quikling/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,zaksoup/gpdb,50wu/gpdb,randomtask1155/gpdb,greenplum-db/gpdb,edespino/gpdb,zeroae/postgres-xl,50wu/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,chrishajas/gpdb,chrishajas/gpdb,rubikloud/gpdb,jmcatamney/gpdb,foyzur/gpdb,lpetrov-pivotal/gpdb,lintzc/gpdb,50wu/gpdb,50wu/gpdb,CraigHarris/gpdb,pavanvd/postgres-xl,kaknikhil/gpdb,xinzweb/gpdb,50wu/gpdb,lintzc/gpdb,0x0FFF/gpdb,arcivanov/postgres-xl,xuegang/gpdb,Chibin/gpdb,ovr/postgres-xl,randomtask1155/gpdb,lpetrov-pivotal/gpdb,Quikling/gpdb,cjcjameson/gpdb,randomtask1155/gpdb,yuanzhao/gpdb,rvs/gpdb,zeroae/postgres-xl,pavanvd/postgres-xl,royc1/gpdb,janebeckman/gpdb,Quikling/gpdb,Chibin/gpdb,Postgres-XL/Postgres-XL,royc1/gpdb,lintzc/gpdb,edespino/gpdb,rvs/gpdb,cjcjameson/gpdb,lpetrov-pivotal/gpdb,kaknikhil/gpdb,tangp3/gpdb,ovr/postgres-xl,janebeckman/gpdb,atris/gpdb,rubikloud/gpdb,ahachete/gpdb,cjcjameson/gpdb,edespino/gpdb,edespino/gpdb,tangp3/gpdb,ashwinstar/gpdb,randomtask1155/gpdb,tpostgres-projects/tPostgres,xinzweb/gpdb,tangp3/gpdb,lisakowen/gpdb,jmcatamney/gpdb,chrishajas/gpdb,xinzweb/gpdb,janebeckman/gpdb,yazun/postgres-xl,edespino/gpdb,ahachete/gpdb,xinzweb/gpdb,foyzur/gpdb,Chibin/gpdb,50wu/gpdb,kmjungersen/PostgresXL,xuegang/gpdb,CraigHarris/gpdb,kmjungersen/PostgresXL,yazun/postgres-xl,tpostgres-projects/tPostgres,CraigHarris/gpdb,jmcatamney/gpdb,rvs/gpdb,edespino/gpdb,CraigHarris/gpdb,CraigHarris/gpdb,ashwinstar/gpdb,xuegang/gpdb,oberstet/postgres-xl,yazun/postgres-xl,jmcatamney/gpdb,cjcjameson/gpdb,foyzur/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,xuegang/gpdb,foyzur/gpdb,techdragon/Postgres-XL,cjcjameson/gpdb,rubikloud/gpdb,chrishajas/gpdb,ahachete/gpdb,lintzc/gpdb,atris/gpdb,edespino/gpdb,xuegang/gpdb,atris/gpdb,zaksoup/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,0x0FFF/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,Quikling/gpdb,snaga/postgres-xl,Quikling/gpdb,Quikling/gpdb,kaknikhil/gpdb,postmind-net/postgres-xl,royc1/gpdb,greenplum-db/gpdb,xuegang/gpdb,0x0FFF/gpdb,lisakowen/gpdb,foyzur/gpdb,Quikling/gpdb,yuanzhao/gpdb,oberstet/postgres-xl,zaksoup/gpdb,lintzc/gpdb,foyzur/gpdb,greenplum-db/gpdb,lisakowen/gpdb,0x0FFF/gpdb,lisakowen/gpdb,Quikling/gpdb,oberstet/postgres-xl,lpetrov-pivotal/gpdb,Chibin/gpdb,pavanvd/postgres-xl,postmind-net/postgres-xl,kaknikhil/gpdb,royc1/gpdb,arcivanov/postgres-xl,rvs/gpdb,Quikling/gpdb,pavanvd/postgres-xl,chrishajas/gpdb,atris/gpdb,janebeckman/gpdb,0x0FFF/gpdb,rvs/gpdb,randomtask1155/gpdb,xinzweb/gpdb,royc1/gpdb,rvs/gpdb,royc1/gpdb,cjcjameson/gpdb,chrishajas/gpdb,Chibin/gpdb,arcivanov/postgres-xl,Chibin/gpdb,Chibin/gpdb,adam8157/gpdb,xuegang/gpdb,rvs/gpdb,snaga/postgres-xl,oberstet/postgres-xl,yuanzhao/gpdb,pavanvd/postgres-xl,tangp3/gpdb,techdragon/Postgres-XL,ovr/postgres-xl,kaknikhil/gpdb,janebeckman/gpdb,randomtask1155/gpdb,yuanzhao/gpdb,xinzweb/gpdb,zaksoup/gpdb,adam8157/gpdb,snaga/postgres-xl,zaksoup/gpdb,CraigHarris/gpdb,tangp3/gpdb,lintzc/gpdb,rubikloud/gpdb,yuanzhao/gpdb,rvs/gpdb,rubikloud/gpdb,CraigHarris/gpdb,snaga/postgres-xl,postmind-net/postgres-xl,ashwinstar/gpdb,lpetrov-pivotal/gpdb,postmind-net/postgres-xl,adam8157/gpdb,zaksoup/gpdb,0x0FFF/gpdb,tpostgres-projects/tPostgres,Chibin/gpdb,Postgres-XL/Postgres-XL,xuegang/gpdb,edespino/gpdb,ahachete/gpdb,kmjungersen/PostgresXL,jmcatamney/gpdb,lintzc/gpdb,cjcjameson/gpdb,cjcjameson/gpdb,ahachete/gpdb,tpostgres-projects/tPostgres,rvs/gpdb,cjcjameson/gpdb,lisakowen/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,ovr/postgres-xl,ahachete/gpdb,atris/gpdb,lisakowen/gpdb,atris/gpdb,rvs/gpdb,chrishajas/gpdb,greenplum-db/gpdb,adam8157/gpdb,kaknikhil/gpdb,xinzweb/gpdb,adam8157/gpdb,techdragon/Postgres-XL,kaknikhil/gpdb,royc1/gpdb,yuanzhao/gpdb,kmjungersen/PostgresXL,Postgres-XL/Postgres-XL,janebeckman/gpdb,zaksoup/gpdb,rubikloud/gpdb,ahachete/gpdb,jmcatamney/gpdb,rubikloud/gpdb,edespino/gpdb,lisakowen/gpdb,Postgres-XL/Postgres-XL,zeroae/postgres-xl,Chibin/gpdb,adam8157/gpdb,ovr/postgres-xl,greenplum-db/gpdb,CraigHarris/gpdb,0x0FFF/gpdb,xuegang/gpdb,tangp3/gpdb,tpostgres-projects/tPostgres,yazun/postgres-xl,techdragon/Postgres-XL,Quikling/gpdb,kmjungersen/PostgresXL,kaknikhil/gpdb,tangp3/gpdb,jmcatamney/gpdb,edespino/gpdb,janebeckman/gpdb,chrishajas/gpdb,oberstet/postgres-xl,rubikloud/gpdb,lintzc/gpdb,janebeckman/gpdb,ashwinstar/gpdb,lpetrov-pivotal/gpdb,cjcjameson/gpdb,Postgres-XL/Postgres-XL,arcivanov/postgres-xl,ahachete/gpdb,postmind-net/postgres-xl,techdragon/Postgres-XL,randomtask1155/gpdb,50wu/gpdb,zeroae/postgres-xl,adam8157/gpdb,foyzur/gpdb,arcivanov/postgres-xl,zeroae/postgres-xl,50wu/gpdb,janebeckman/gpdb,tangp3/gpdb,xinzweb/gpdb