Fix the difference test
Fix the difference test

A recent bugfix to CREATE RETENTION POLICY caused this to fail when
merged. This fixes the test.

mnuessler/influxdb,linearb/influxdb,jipperinbham/influxdb,runner-mei/influxdb,mvadu/influxdb,jgeiger/influxdb,influxdata/influxdb,nooproblem/influxdb,daachi/influxdb,mvadu/influxdb,benbjohnson/influxdb,pkittenis/influxdb,pkittenis/influxdb,jgeiger/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,mvadu/influxdb,apigee/influxdb,vladlopes/influxdb,mvadu/influxdb,mark-rushakoff/influxdb,arussellsaw/influxdb,mnuessler/influxdb,jipperinbham/influxdb,linearb/influxdb,pkittenis/influxdb,daachi/influxdb,daachi/influxdb,chenziliang/influxdb,arussellsaw/influxdb,mark-rushakoff/influxdb,vladlopes/influxdb,arussellsaw/influxdb,joaopedrotaveira/influxdb,pkittenis/influxdb,jgeiger/influxdb,mnuessler/influxdb,daachi/influxdb,jgeiger/influxdb,archsaber/influxdb,pkittenis/influxdb,mark-rushakoff/influxdb,archsaber/influxdb,apigee/influxdb,otoolep/influxdb,otoolep/influxdb,jipperinbham/influxdb,mnuessler/influxdb,mark-rushakoff/influxdb,mvadu/influxdb,jipperinbham/influxdb,jipperinbham/influxdb,joaopedrotaveira/influxdb,arussellsaw/influxdb,linearb/influxdb,li-ang/influxdb,nooproblem/influxdb,mnuessler/influxdb,otoolep/influxdb,runner-mei/influxdb,apigee/influxdb,arussellsaw/influxdb,mnuessler/influxdb,daachi/influxdb,jipperinbham/influxdb,otoolep/influxdb,influxdb/influxdb,influxdb/influxdb,influxdb/influxdb,runner-mei/influxdb,joaopedrotaveira/influxdb,apigee/influxdb,chenziliang/influxdb,influxdb/influxdb,benbjohnson/influxdb,chenziliang/influxdb,mvadu/influxdb,linearb/influxdb,pkittenis/influxdb,apigee/influxdb,mark-rushakoff/influxdb,jgeiger/influxdb,chenziliang/influxdb,nooproblem/influxdb,benbjohnson/influxdb,linearb/influxdb,joaopedrotaveira/influxdb,archsaber/influxdb,li-ang/influxdb,nooproblem/influxdb,daachi/influxdb,vladlopes/influxdb,vladlopes/influxdb,joaopedrotaveira/influxdb,benbjohnson/influxdb,runner-mei/influxdb,apigee/influxdb,influxdata/influxdb,influxdb/influxdb,archsaber/influxdb,jgeiger/influxdb,arussellsaw/influxdb,influxdb/influxdb,otoolep/influxdb,otoolep/influxdb