Fill *_id information for client when using static accounts

Related-Prod: PRODX-18763
Change-Id: Ie6f4092e07bdf28af6cfcfd0fe37645dd1b794c4
diff --git a/neutron_tempest_plugin/api/base.py b/neutron_tempest_plugin/api/base.py
index 7cf8dd4..a8cfbcc 100644
--- a/neutron_tempest_plugin/api/base.py
+++ b/neutron_tempest_plugin/api/base.py
@@ -106,6 +106,11 @@
         super(BaseNetworkTest, cls).setup_clients()
         cls.client = cls.os_primary.network_client
 
+        # NOTE(vsaienko): when using static accounts we need
+        # to fill *_id information like project_id, user_id
+        # by authenticating in keystone
+        cls.client.auth_provider.get_token()
+
     @classmethod
     def resource_setup(cls):
         super(BaseNetworkTest, cls).resource_setup()