adding missing fixture for tests

Author: tamagokun

tests/deploy/multirole.php

@@ -0,0 +1,15 @@
+<?php
+
+$env->app(array(
+    "host1",
+    "host2",
+    "host3"
+));
+
+$env->role_count = 0;
+
+desc('test multirole support');
+task('check', 'app', function ($app) {
+    info("CHECK", $app->env->role_count);
+    $app->env->role_count++;
+});