public function testSetTransactionId()
{
$this->tx->setTransactionId('00000000b456d28e2769762d1de5c8c668282c5dca566c226c455da4bd20aa78');
$this->assertNotNull($this->tx->getTransactionId());
$this->assertSame($this->tx->getTransactionId(), '00000000b456d28e2769762d1de5c8c668282c5dca566c226c455da4bd20aa78');
}