public function testCreateCard()
{
$this->setMockHttpResponse('RestCreateCardSuccess.txt');
$response = $this->gateway->createCard($this->options)->send();
$this->assertTrue($response->isSuccessful());
$this->assertEquals('CARD-70E78145XN686604FKO3L6OQ', $response->getCardReference());
$this->assertNull($response->getMessage());
}