WebUI tests: Fix request timeout for test_trust
Because of intergration with AD server response can take time more then 1 minute.
So request_timeout is increased to 120s.
Ticket: https://pagure.io/freeipa/issue/8024
Signed-off-by: Serhii Tsymbaliuk <stsymbal@redhat.com>
Reviewed-By: Tibor Dudlak <tdudlak@redhat.com>