fix tests

src/Illuminate/Queue/Queue.php

@@ -278,7 +278,7 @@ protected function enqueueUsing($job, $payload, $queue, $delay, $callback)
         if ($this->shouldDispatchAfterCommit($job) &&
             $this->container->bound('db.transactions')) {
             return $this->container->make('db.transactions')->addCallback(
-                $callback
+                $this->afterCommitCallback($payload, $queue, $delay, $callback)
             );
         }
 
@@ -304,6 +304,22 @@ protected function shouldDispatchAfterCommit($job)
         return false;
     }
 
+    /**
+     * Create the after commit callback.
+     *
+     * @param  string  $payload
+     * @param  string  $queue
+     * @param  \DateTimeInterface|\DateInterval|int|null  $delay
+     * @param  callable  $callback
+     * @return callable
+     */
+    protected function afterCommitCallback($payload, $queue, $delay, $callback)
+    {
+        return function () use ($delay, $queue, $payload, $callback) {
+            return $callback($payload, $queue, $delay);
+        };
+    }
+
     /**
      * Get the connection name for the queue.
      *