Revert "Append each set of tests results to the same xml result file"
Revert "Append each set of tests results to the same xml result file"

This reverts commit 2ceb7eca6e7194cb72c12c2e87d2ea9ec4695c12.

iXsystems/ix-tests,iXsystems/ixbuild,iXsystems/ix-tests