public function testPayload() { $this->message->setPayload('first', true); self::assertTrue($this->message->hasPayload('first')); self::assertTrue($this->message->getPayload('first')); self::assertCount(1, $this->message->getPayloadData()); $this->message->setPayloadData(['second' => 'second', 'third' => 'third']); self::assertTrue($this->message->hasPayload('second')); self::assertCount(2, $this->message->getPayloadData()); }