WebUI tests: Add simple test to check topology graph page is available
Ticket: https://pagure.io/freeipa/issue/8523
Signed-off-by: Serhii Tsymbaliuk <stsymbal@redhat.com>
Reviewed-By: Petr Vobornik <pvoborni@redhat.com>
Reviewed-By: Petr Vobornik <pvoborni@redhat.com>