With shorter TTL, several named restarts are no longer necessary to make
tests pass. The test case TestZoneSigningWithoutNamedRestart is no
longer relevant, too.
Modification of the root zone and disabling/enabling signing still seems
to need a restart. I have marked those cases as TODO.
See: https://pagure.io/freeipa/issue/5348
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>