Merge pull request #19568 from timothyklemm/hpcc-33526-datamaskingtests

HPCC-33526: Update datamaskingtests failure identification and reporting

Reviewed-By: Terrence Asselin <terrence.asselin@lexisnexisrisk.com>
Merged-by: Gavin Halliday <ghalliday@hpccsystems.com>

Author: ghalliday