Add IOPs data to block volume-list unit test.

Author: Fernando Ojeda

tests/CLI/modules/block_tests.py

@@ -130,7 +130,7 @@ def test_volume_list(self):
                 'capacity_gb': 20,
                 'datacenter': 'dal05',
                 'id': 100,
-                'iops': None,
+                'IOPs': None,
                 'ip_addr': '10.1.2.3',
                 'lunId': None,
                 'notes': "{'status': 'availabl",