Revert "Fix tempest router migration test when HA enabled"

This reverts commit 2e8e6b8395ae0f7a48c6742b7f5a8989867fba2b.

Change-Id: I43d2a58a53071a9ec48785057f8d2655a1c55255
Closes-Bug: #1688548
diff --git a/neutron/tests/tempest/api/test_revisions.py b/neutron/tests/tempest/api/test_revisions.py
index c8ab6e1..3db39c6 100644
--- a/neutron/tests/tempest/api/test_revisions.py
+++ b/neutron/tests/tempest/api/test_revisions.py
@@ -313,20 +313,17 @@
 
     @decorators.idempotent_id('afb6486c-41b5-483e-a500-3c506f4deb49')
     @test.requires_ext(extension="router", service="network")
+    @test.requires_ext(extension="dvr", service="network")
     def test_update_router_extra_attributes_bumps_revision(self):
-        # updates from CVR to CVR-HA are supported on every release,
-        # but only the admin can forcibly create a non-HA router
-        router_args = {'tenant_id': self.client.tenant_id,
-                       'ha': False}
-        router = self.admin_client.create_router('r1', True,
-            **router_args)['router']
+        router = self.create_router(router_name='r1')
         self.addCleanup(self.client.delete_router, router['id'])
         self.assertIn('revision_number', router)
         rev1 = router['revision_number']
         router = self.admin_client.update_router(
             router['id'], admin_state_up=False)['router']
         self.assertGreater(router['revision_number'], rev1)
-        self.admin_client.update_router(router['id'], ha=True)['router']
+        self.admin_client.update_router(router['id'],
+                                        distributed=True)['router']
         updated = self.client.show_router(router['id'])['router']
         self.assertGreater(updated['revision_number'],
                            router['revision_number'])