Rectify indentation in scenario YAMLs

Match indentation with that of other Scenario YAMLs

Change-Id: Iebd93b9994ff1b13f731125032fd997c84abd06f

samples/tasks/scenarios/nova/boot-and-block-migrate.yaml

@@ -1,7 +1,7 @@
 {% set flavor_name = flavor_name or "m1.tiny" %}
 ---
-NovaServers.boot_and_live_migrate_server:
+  NovaServers.boot_and_live_migrate_server:
-- args:
+  - args:
       flavor:
         name: "{{flavor_name}}"
       image:

samples/tasks/scenarios/nova/boot-and-live-migrate.yaml

@@ -1,7 +1,7 @@
 {% set flavor_name = flavor_name or "m1.tiny" %}
 ---
-NovaServers.boot_and_live_migrate_server:
+  NovaServers.boot_and_live_migrate_server:
-- args:
+  - args:
       flavor:
         name: "{{flavor_name}}"
       image:

samples/tasks/scenarios/nova/boot-and-migrate.yaml

@@ -1,7 +1,7 @@
 {% set flavor_name = flavor_name or "m1.tiny" %}
 ---
-NovaServers.boot_and_migrate_server:
+  NovaServers.boot_and_migrate_server:
-- args:
+  - args:
       flavor:
         name: "{{flavor_name}}"
       image:

samples/tasks/scenarios/nova/boot-and-rebuild.yaml

@@ -1,7 +1,7 @@
 {% set flavor_name = flavor_name or "m1.tiny" %}
 ---
-NovaServers.boot_and_rebuild_server:
+  NovaServers.boot_and_rebuild_server:
-- args:
+  - args:
       flavor:
         name: "{{flavor_name}}"
       from_image:

samples/tasks/scenarios/nova/boot-server-attach-created-volume-and-live-migrate.yaml

@@ -1,7 +1,7 @@
 {% set flavor_name = flavor_name or "m1.tiny" %}
 ---
-NovaServers.boot_server_attach_created_volume_and_live_migrate:
+  NovaServers.boot_server_attach_created_volume_and_live_migrate:
-- args:
+  - args:
       flavor:
         name: "{{flavor_name}}"
       image:

samples/tasks/scenarios/nova/boot-server-from-volume-and-live-migrate.yaml

@@ -1,7 +1,7 @@
 {% set flavor_name = flavor_name or "m1.tiny" %}
 ---
-NovaServers.boot_server_from_volume_and_live_migrate:
+  NovaServers.boot_server_from_volume_and_live_migrate:
-- args:
+  - args:
       flavor:
         name: "{{flavor_name}}"
       image:

samples/tasks/scenarios/nova/list-aggregates.yaml

@@ -4,4 +4,4 @@
       runner:
         type: "constant"
         concurrency: 2
-                times : 10
+        times: 10