public function testMutators() { $this->message->setTitle('message title'); self::assertTrue($this->message->hasParameter('title')); self::assertEquals('message title', $this->message->getParameter('title')); $this->message->setBody('message body'); self::assertTrue($this->message->hasParameter('body')); self::assertEquals('message body', $this->message->getParameter('body')); self::assertEquals('data_', $this->message->getPayloadPrefix()); $this->message->setPayloadPrefix(''); self::assertEquals('', $this->message->getPayloadPrefix()); }