Fix test_ntp_options to use tasks' methods
instead of custom methods.
Move ntp_pool/server to class scope.
Using teardown_method for cleanup.
Edit tasks.client_install to return result of installation.
Refactor install_replica task:
Add promote parameter to install_replica task.
Add ntp_args to install_client call and remove from
replica installation from tasks.install_replica while promoting.
Use case while not promoting has to have user allowed to enroll
a replica and server to contact in case autodiscovery does not work.
Reviewed-By: Christian Heimes <firstname.lastname@example.org>
Reviewed-By: Florence Blanc-Renaud <email@example.com>
Reviewed-By: Sergey Orlov <firstname.lastname@example.org>
Reviewed-By: Alexander Bokovoy <email@example.com>
Reviewed-By: Armando Neto <firstname.lastname@example.org>