public function testGenerateMd5()
{
$message = new Message();
$message->generateMd5();
$this->assertEquals('d41d8cd98f00b204e9800998ecf8427e', $message->getMd5());
$message->setFlow('test flow');
$message->setFlowMessage('test flow message');
$message->setFlowName('test flow name');
$this->assertEquals('d41d8cd98f00b204e9800998ecf8427e', $message->getMd5());
$message->setFlow('another flow');
$this->assertEquals('d41d8cd98f00b204e9800998ecf8427e', $message->getMd5());
}
