ipatests: check for the "no sudo present" string absence
When sudo is installed, no warning should be output about sudo not
being available (obviously). Check that the relevant string is
not present.
Fixes: https://pagure.io/freeipa/issue/8530
Signed-off-by: François Cami <fcami@redhat.com>
Reviewed-By: Armando Neto <abiagion@redhat.com>