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    <h3>Editing: DatabaseTransactions.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

namespace Illuminate\Foundation\Testing;

trait DatabaseTransactions
{
    /**
     * Handle database transactions on the specified connections.
     *
     * @return void
     */
    public function beginDatabaseTransaction()
    {
        $database = $this-&gt;app-&gt;make('db');

        foreach ($this-&gt;connectionsToTransact() as $name) {
            $connection = $database-&gt;connection($name);
            $dispatcher = $connection-&gt;getEventDispatcher();

            $connection-&gt;unsetEventDispatcher();
            $connection-&gt;beginTransaction();
            $connection-&gt;setEventDispatcher($dispatcher);
        }

        $this-&gt;beforeApplicationDestroyed(function () use ($database) {
            foreach ($this-&gt;connectionsToTransact() as $name) {
                $connection = $database-&gt;connection($name);
                $dispatcher = $connection-&gt;getEventDispatcher();

                $connection-&gt;unsetEventDispatcher();
                $connection-&gt;rollBack();
                $connection-&gt;setEventDispatcher($dispatcher);
                $connection-&gt;disconnect();
            }
        });
    }

    /**
     * The database connections that should have transactions.
     *
     * @return array
     */
    protected function connectionsToTransact()
    {
        return property_exists($this, 'connectionsToTransact')
                            ? $this-&gt;connectionsToTransact : [null];
    }
}
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