build: use tools.scons.RunTest for provisioning tests

build: use tools.scons.RunTest for provisioning tests

To avoid race conditions

Bug: https://jira.iotivity.org/browse/IOT-1526
Change-Id: I8f1e4823a7c4642b4b03fb4dca924447079d7e39
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/14913
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: George Nash <george.nash@intel.com>
(cherry picked from commit 6b309e20370eafe2780007ae13cbbdba2612fe6e)
Reviewed-on: https://gerrit.iotivity.org/gerrit/14917