HPCC-9069 Spurious minor regression suite differences

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge pull request #4188 from richardkchapman/regression-niggles

HPCC-9069 Spurious minor regression suite differences

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>