Add tempest 17 run into offline ssl

Change-Id: Ic30cf367b89886186c2f161a2b3915e5930c0ed4
diff --git a/tcp_tests/settings_oslo.py b/tcp_tests/settings_oslo.py
index c0418c4..25abbc9 100644
--- a/tcp_tests/settings_oslo.py
+++ b/tcp_tests/settings_oslo.py
@@ -209,7 +209,7 @@
     ct.Cfg('openstack_keystone_endpoint', ct.String(),
            help="", default=''),
     ct.Cfg('horizon_check', ct.Boolean(),
-           help="", default=True),
+           help="", default=False),
 ]
 
 opencontrail_opts = [