diff --git a/tests/Message/AuthorizeRequestTest.php b/tests/Message/AuthorizeRequestTest.php
index 7f67042e..1151fe00 100644
--- a/tests/Message/AuthorizeRequestTest.php
+++ b/tests/Message/AuthorizeRequestTest.php
@@ -109,7 +109,7 @@ public function testSendSuccess()
         $this->assertTrue($response->isSuccessful());
         $this->assertFalse($response->isRedirect());
         $this->assertSame('ch_1IU9gcUiNASROd', $response->getTransactionReference());
-        $this->assertNull($response->getCardReference());
+        $this->assertSame('card_16n3EU2baUhq7QENSrstkoN0', $response->getCardReference());
         $this->assertNull($response->getMessage());
     }
 
diff --git a/tests/Message/PurchaseRequestTest.php b/tests/Message/PurchaseRequestTest.php
index b55d0b99..d290e264 100644
--- a/tests/Message/PurchaseRequestTest.php
+++ b/tests/Message/PurchaseRequestTest.php
@@ -32,7 +32,7 @@ public function testSendSuccess()
         $this->assertTrue($response->isSuccessful());
         $this->assertFalse($response->isRedirect());
         $this->assertSame('ch_1IU9gcUiNASROd', $response->getTransactionReference());
-        $this->assertNull($response->getCardReference());
+        $this->assertSame('card_16n3EU2baUhq7QENSrstkoN0', $response->getCardReference());
         $this->assertNull($response->getMessage());
     }
 
diff --git a/tests/Message/ResponseTest.php b/tests/Message/ResponseTest.php
index 48146e34..54390bb1 100644
--- a/tests/Message/ResponseTest.php
+++ b/tests/Message/ResponseTest.php
@@ -14,7 +14,7 @@ public function testPurchaseSuccess()
         $this->assertTrue($response->isSuccessful());
         $this->assertFalse($response->isRedirect());
         $this->assertSame('ch_1IU9gcUiNASROd', $response->getTransactionReference());
-        $this->assertNull($response->getCardReference());
+        $this->assertSame('card_16n3EU2baUhq7QENSrstkoN0', $response->getCardReference());
         $this->assertNull($response->getMessage());
         $this->assertInternalType('array', $response->getSource());
     }