fix tempest generic driver CI failure

update the API test base client to use v2 API by default

Change-Id: I0cbca391c0f47886f75e0c7076dc7dc559f5222f
Signed-off-by: Yaguang Tang <heut2008@gmail.com>
diff --git a/manila_tempest_tests/tests/api/base.py b/manila_tempest_tests/tests/api/base.py
index 7e9e1c4..c23e3be 100644
--- a/manila_tempest_tests/tests/api/base.py
+++ b/manila_tempest_tests/tests/api/base.py
@@ -169,7 +169,7 @@
                     "CONF.share.create_networks_when_multitenancy_enabled "
                     "is set to True")
             share_network_id = cls.provide_share_network(
-                cls.shares_client, cls.networks_client)
+                cls.shares_v2_client, cls.networks_client)
             cls.shares_client.share_network_id = share_network_id
             cls.shares_v2_client.share_network_id = share_network_id