Test for PR #78 hashSecret set at AIM gateway level

Author: judgej

tests/AIMGatewayTest.php

@@ -19,6 +19,10 @@ public function setUp()
 
         $this->gateway = new AIMGateway($this->getHttpClient(), $this->getHttpRequest());
 
+        $this->gateway->initialize([
+            'hashSecret' => 'HASHYsecretyThang',
+        ]);
+
         $this->purchaseOptions = array(
             'amount' => '10.00',
             'card' => $this->getValidCard(),
@@ -60,6 +64,15 @@ public function testDeveloperEndpoint()
         );
     }
 
+    // Added for PR #78
+    public function testHashSecret()
+    {
+        $this->assertEquals(
+            'HASHYsecretyThang',
+            $this->gateway->getHashSecret()
+        );
+    }
+
     private function getExpiry($card)
     {
         return str_pad($card['expiryMonth'] . $card['expiryYear'], 6, '0', STR_PAD_LEFT);