Fix issue with floating ips for test_share_basic_ops

As far as Nova extensions are deprecated we should replace
compute_floating_ips_client on floating_ips_client

Change-Id: I8484a4186609f79b8c501121a7adbffe75f15e30
Closes-Issue: https://mirantis.jira.com/browse/PROD-20608
diff --git a/manila_tempest_tests/tests/scenario/test_share_basic_ops.py b/manila_tempest_tests/tests/scenario/test_share_basic_ops.py
index 7d9b919..af91cfb 100644
--- a/manila_tempest_tests/tests/scenario/test_share_basic_ops.py
+++ b/manila_tempest_tests/tests/scenario/test_share_basic_ops.py
@@ -109,17 +109,18 @@
         else:
             # Obtain a floating IP
             floating_ip = (
-                self.compute_floating_ips_client.create_floating_ip()
-                ['floating_ip'])
+                self.floating_ips_client.create_floatingip(
+                    floating_network_id=CONF.network.public_network_id)
+                ['floatingip'])
             self.floatings[instance['id']] = floating_ip
             self.addCleanup(
                 test_utils.call_and_ignore_notfound_exc,
-                self.compute_floating_ips_client.delete_floating_ip,
+                self.floating_ips_client.delete_floatingip,
                 floating_ip['id'])
             # Attach a floating IP
             self.compute_floating_ips_client.associate_floating_ip_to_server(
-                floating_ip['ip'], instance['id'])
-            server_ip = floating_ip['ip']
+                floating_ip['floating_ip_address'], instance['id'])
+            server_ip = floating_ip['floating_ip_address']
         self.assertIsNotNone(server_ip)
         # Check ssh
         ssh_client = self.get_remote_client(
@@ -234,7 +235,8 @@
                 server_ip = self._get_ipv6_server_ip(instance)
             else:
                 server_ip = (CONF.share.override_ip_for_nfs_access or
-                             self.floatings[instance['id']]['ip'])
+                             self.floatings[instance['id']]
+                             ['floating_ip_address'])
             self.assertIsNotNone(server_ip)
             self.allow_access_ip(
                 share['id'], ip=server_ip,