Fix manila loop device

Change-Id: I30e61a09ec837785e5b7926dd2d6756e37183c8a
diff --git a/tcp_tests/templates/cookied-mcp-pike-dvr/_context-cookiecutter-mcp-pike-dvr.yaml b/tcp_tests/templates/cookied-mcp-pike-dvr/_context-cookiecutter-mcp-pike-dvr.yaml
index 111520b..70ec427 100644
--- a/tcp_tests/templates/cookied-mcp-pike-dvr/_context-cookiecutter-mcp-pike-dvr.yaml
+++ b/tcp_tests/templates/cookied-mcp-pike-dvr/_context-cookiecutter-mcp-pike-dvr.yaml
@@ -188,7 +188,7 @@
   manila_enabled: 'True'
   manila_share_backend: 'lvm'
   manila_lvm_volume_name: 'manila-volume'
-  manila_lvm_devices: '/dev/loop1'
+  manila_lvm_devices: '/dev/loop0'
   openstack_share_address: 172.16.10.68
   openstack_share_node01_address: 172.16.10.69
   openstack_share_node02_address: 172.16.10.70