Configure HA as False when creating a router for DVR tests

In order not to interfere between HA and DVR we should create
a new router with False HA value
There is another patch that checks different combinations between
HA and DVR: https://review.openstack.org/#/c/418276/

Change-Id: Ifa66341c023b7f63ef5eff7d461d1d4bc38fc567
diff --git a/neutron/tests/tempest/scenario/test_dvr.py b/neutron/tests/tempest/scenario/test_dvr.py
index 9150c01..3a709ff 100644
--- a/neutron/tests/tempest/scenario/test_dvr.py
+++ b/neutron/tests/tempest/scenario/test_dvr.py
@@ -57,7 +57,8 @@
         The test is done by putting the SNAT port down on controller node.
         """
         router = self.create_router_by_client(
-            distributed=True, tenant_id=self.client.tenant_id, is_admin=True)
+            distributed=True, tenant_id=self.client.tenant_id, is_admin=True,
+            ha=False)
         self.setup_network_and_server(router=router)
         self._check_snat_port_connectivity()
 
@@ -67,7 +68,8 @@
         """
         # Created a centralized router on a DVR setup
         router = self.create_router_by_client(
-            distributed=False, tenant_id=self.client.tenant_id, is_admin=True)
+            distributed=False, tenant_id=self.client.tenant_id, is_admin=True,
+            ha=False)
         self.setup_network_and_server(router=router)
         self._check_connectivity()