Fix parameter omission in acceptance test
diff --git a/acceptance/07-change-admin-password.go b/acceptance/07-change-admin-password.go
index e44bda0..6f078ee 100644
--- a/acceptance/07-change-admin-password.go
+++ b/acceptance/07-change-admin-password.go
@@ -13,7 +13,7 @@
 func main() {
 	flag.Parse()
 
-	withIdentity(func(acc gophercloud.AccessProvider) {
+	withIdentity(false, func(acc gophercloud.AccessProvider) {
 		withServerApi(acc, func(api gophercloud.CloudServersProvider) {
 			// If user doesn't explicitly provide a server ID, create one dynamically.
 			if *serverId == "" {