HPCC-10419 Add Query Test Pages to new ECL Watch

Fixes HPCC-10419

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5141 from GordonSmith/RoxieTestPage

HPCC-10419 Add Query Test Pages to new ECL Watch

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>