taas: use ssh_key_type from config for taas scenario

Closes-Bug: #1973755
Related-Bug: #1963907

Depends-On: https://review.opendev.org/c/openstack/neutron-fwaas/+/842254
Depends-On: https://review.opendev.org/c/openstack/tap-as-a-service/+/842134
Change-Id: I0d3021f32e71519721723548873a66523035fddd
diff --git a/neutron_tempest_plugin/tap_as_a_service/scenario/test_traffic_impact.py b/neutron_tempest_plugin/tap_as_a_service/scenario/test_traffic_impact.py
index e2b14c7..e70eb03 100644
--- a/neutron_tempest_plugin/tap_as_a_service/scenario/test_traffic_impact.py
+++ b/neutron_tempest_plugin/tap_as_a_service/scenario/test_traffic_impact.py
@@ -122,17 +122,20 @@
 
         self.monitor_client = remote_client.RemoteClient(
             mon_fip['floating_ip_address'], user,
-            pkey=self.keypair['private_key'])
+            pkey=self.keypair['private_key'],
+            ssh_key_type=CONF.validation.ssh_key_type)
         self.monitor_client.validate_authentication()
         self.left_client = remote_client.RemoteClient(
             self.left_fip['floating_ip_address'],
             CONF.validation.image_ssh_user,
-            pkey=self.keypair['private_key'])
+            pkey=self.keypair['private_key'],
+            ssh_key_type=CONF.validation.ssh_key_type)
         self.left_client.validate_authentication()
         self.right_client = remote_client.RemoteClient(
             self.right_fip['floating_ip_address'],
             CONF.validation.image_ssh_user,
-            pkey=self.keypair['private_key'])
+            pkey=self.keypair['private_key'],
+            ssh_key_type=CONF.validation.ssh_key_type)
         self.right_client.validate_authentication()
         yield