QoS min pps API tests

Co-Authored-By: Przemyslaw Szczerbik <przemyslaw.szczerbik@est.tech>
Partial-Bug: #1922237
Change-Id: I39f521a11de4e9ff4d447d7a6e85f9cbee6ee62a
diff --git a/neutron_tempest_plugin/api/clients.py b/neutron_tempest_plugin/api/clients.py
index 6565dcb..2855a7a 100644
--- a/neutron_tempest_plugin/api/clients.py
+++ b/neutron_tempest_plugin/api/clients.py
@@ -24,6 +24,7 @@
 from tempest.lib.services.identity.v3 import projects_client
 from tempest.lib.services.network import qos_limit_bandwidth_rules_client
 from tempest.lib.services.network import qos_minimum_bandwidth_rules_client
+from tempest.lib.services.network import qos_minimum_packet_rate_rules_client
 
 from neutron_tempest_plugin import config
 from neutron_tempest_plugin.services.network.json import network_client
@@ -114,6 +115,17 @@
                 build_timeout=CONF.network.build_timeout,
                 **self.default_params)
 
+        self.qos_minimum_packet_rate_rules_client = \
+            qos_minimum_packet_rate_rules_client.\
+            QosMinimumPacketRateRulesClient(
+                self.auth_provider,
+                CONF.network.catalog_type,
+                CONF.network.region or CONF.identity.region,
+                endpoint_type=CONF.network.endpoint_type,
+                build_interval=CONF.network.build_interval,
+                build_timeout=CONF.network.build_timeout,
+                **self.default_params)
+
     def _set_identity_clients(self):
         params = {
             'service': CONF.identity.catalog_type,