Run neutron-debug with admin tenant in neutron-adv-test

Because neutron-debug create-probe needs admin role only, demo tenants
cannot create ports. neutron-debug is wrapped in order to run it only
with admin tenant.

Change-Id: Ib65e8639858c597345c6a5fdc0192b40f34a0300
Closes-Bug: #1269090
diff --git a/exercises/neutron-adv-test.sh b/exercises/neutron-adv-test.sh
index 0c0d42f..1343f11 100755
--- a/exercises/neutron-adv-test.sh
+++ b/exercises/neutron-adv-test.sh
@@ -185,6 +185,14 @@
     fi
 }
 
+function neutron_debug_admin {
+    local os_username=$OS_USERNAME
+    local os_tenant_id=$OS_TENANT_ID
+    source $TOP_DIR/openrc admin admin
+    neutron-debug $@
+    source $TOP_DIR/openrc $os_username $os_tenant_id
+}
+
 function add_tenant {
     local TENANT=$1
     local USER=$2
@@ -241,7 +249,7 @@
     local NET_ID=$(neutron net-create --tenant-id $TENANT_ID $NET_NAME $EXTRA| grep ' id ' | awk '{print $4}' )
     die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $TENANT_ID $NET_NAME $EXTRA"
     neutron subnet-create --ip-version 4 --tenant-id $TENANT_ID --gateway $GATEWAY $NET_ID $CIDR
-    neutron-debug probe-create --device-owner compute $NET_ID
+    neutron_debug_admin probe-create --device-owner compute $NET_ID
     source $TOP_DIR/openrc demo demo
 }