IMPALA-3718: Add test_cancellation tests for Kudu
IMPALA-3718: Add test_cancellation tests for Kudu

Additional functional tests for Kudu.

Change-Id: Icf3d3853e7075991f6d12f125407ebdbe6a287e2
Reviewed-on: http://gerrit.cloudera.org:8080/4700
Reviewed-by: Matthew Jacobs <df2fa7c39d141dc5dc5589fed74180e757ed6c9a@cloudera.com>
Tested-by: Internal Jenkins

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