HPCC-11074 Move text search queries over to new regression suite

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
HPCC-11074 Extend the tests to read thor and hthor generated files

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #5810 from ghalliday/issue11074

HPCC-11074 Move text search queries over to new regression suite

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>