Add list_snapshots scenario for Cinder test

Change-Id: I7e8bb7880f2e004332ea0e11c54e7242d89744c9

rally-jobs/rally-neutron.yaml

@@ -574,6 +574,25 @@
         failure_rate:
           max: 0
 
+  CinderVolumes.create_and_list_snapshots:
+    -
+      args:
+        force: False
+        detailed: True
+      runner:
+        type: "constant"
+        times: 2
+        concurrency: 2
+      context:
+        users:
+          tenants: 1
+          users_per_tenant: 1
+        volumes:
+          size: 1
+      sla:
+        failure_rate:
+          max: 0
+
   VMTasks.boot_runcommand_delete:
     -
       args:

samples/tasks/scenarios/cinder/create-and-list-snapshots.json

@@ -0,0 +1,24 @@
+{
+    "CinderVolumes.create_and_list_snapshots": [
+        {
+            "args": {
+                "force": false,
+                "detailed": true
+            },
+            "runner": {
+                "type": "constant",
+                "times": 2,
+                "concurrency": 2
+            },
+            "context": {
+                "users": {
+                    "tenants": 1,
+                    "users_per_tenant": 1
+                },
+                "volumes": {
+                    "size": 1
+                }
+            }
+        }
+    ]
+}

samples/tasks/scenarios/cinder/create-and-list-snapshots.yaml

@@ -0,0 +1,16 @@
+---
+  CinderVolumes.create_and_list_snapshots:
+    -
+      args:
+        force: False
+        detailed: True
+      runner:
+        type: "constant"
+        times: 2
+        concurrency: 2
+      context:
+        users:
+          tenants: 1
+          users_per_tenant: 1
+        volumes:
+          size: 1