This commit fixes the broken exhaustive Impala builds. The issue was
caused by Kudu table that didn't properly specify nullability
constraints. Hence, some rows were rejected during data loading causing
some tests to fail.
Change-Id: Ib6f4b4c88ef18b1731b7c9789aad602880e18035
Reviewed-on: http://gerrit.cloudera.org:8080/5157
Reviewed-by: Alex Behm <alex.behm@cloudera.com>
Tested-by: Internal Jenkins