Allow insert cancellation test to fail due to IMPALA-551
Allow insert cancellation test to fail due to IMPALA-551

Change-Id: I5d98be1cc503cc51206051a7c6a493bf884ab5b3
Reviewed-on: http://gerrit.ent.cloudera.com:8080/594
Reviewed-by: Lenni Kuff <724b7df200764f5dc1b723c05ee6c6adabd11bb1@cloudera.com>
Tested-by: Nong Li <99a5e5f8f5911755b88e0b536d46aafa102bed41@cloudera.com>

michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala