Adds avs purchase test

tests/GatewayTest.php

@@ -86,6 +86,26 @@ public function it_can_make_a_cvd_secured_purchase_and_receive_a_response()
         $this->assertTrue($response->successful);
     }
 
+    /** @test */
+    public function it_can_make_a_avs_secured_purchase_and_receive_a_response()
+    {
+        $params = ['environment' => $this->environment, 'avs' => true];
+        $gateway = Moneris::create($this->id, $this->token, $params);
+        $params = [
+            'avs_street_number' => '123',
+            'avs_street_name' => 'Fake Street',
+            'avs_zipcode' => 'X0X0X0',
+            'order_id' => uniqid('1234-56789', true),
+            'amount' => '1.00',
+            'credit_card' => $this->visa,
+            'expdate' => '2012',
+        ];
+        $response = $gateway->purchase($params);
+
+        $this->assertEquals(Response::class, get_class($response));
+        $this->assertTrue($response->successful);
+    }
+
     /** @test */
     public function it_can_pre_authorize_a_purchase_and_receive_a_response()
     {