Remove assertion for failed deploy task in ldap services reconfiguration

[Dmitry Kalashnik]

We have to only check config change in reconfigure_keystone_to_use_ldap test.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/mitaka
Review: https://review.openstack.org/381055

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/381056

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/381055
Committed: https://git.openstack.org/cgit/openstack/fuel-qa/commit/?id=dafbde9d841751a2b0ef2bc06a63729e3238c822
Submitter: Jenkins
Branch: stable/mitaka

commit dafbde9d841751a2b0ef2bc06a63729e3238c822
Author: Alisa Tselovalnikova <email address hidden>
Date: Mon Oct 3 14:03:22 2016 +0300

    Do not check status of the apply configuration task

    'ready' and 'error' statuses should be alowed for the apply
    configuration task as main goal of test is to check the configuration
    was properly changed.

    Change-Id: Ibf71a47900249e2ad3016662623f1a8ced036426
    Closes-Bug: #1628951

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/381056
Committed: https://git.openstack.org/cgit/openstack/fuel-qa/commit/?id=c93b6d21efb57b80e5e79d5b3b504b52ca78696b
Submitter: Jenkins
Branch: master

commit c93b6d21efb57b80e5e79d5b3b504b52ca78696b
Author: Alisa Tselovalnikova <email address hidden>
Date: Mon Oct 3 14:03:22 2016 +0300

    Do not check status of the apply configuration task

    'ready' and 'error' statuses should be alowed for the apply
    configuration task as main goal of test is to check the configuration
    was properly changed.

    Change-Id: Ibf71a47900249e2ad3016662623f1a8ced036426
    Closes-Bug: #1628951

[TatyanaGladysheva (tgladysheva)]

Verified on 9.2 snapshot #518.

Test https://product-ci.infra.mirantis.net/job/9.x.system_test.ubuntu.services_reconfiguration_thread_1/124/testReport/(root)/reconfigure_keystone_to_use_ldap/reconfigure_keystone_to_use_ldap/ is passed.