Able to set service version

src/PaymentMethods/PaymentFacade.php

@@ -168,6 +168,13 @@ public function __call(?string $name, array $arguments)
     {
         if (method_exists($this->paymentMethod, $name))
         {
+            if($name === 'setServiceVersion') 
+            {
+                $this->paymentMethod->setServiceVersion($arguments[0]);
+
+                return $this;
+            }
+
             $this->paymentMethod->setPayload((new PayloadService($arguments[0] ?? []))->toArray());
 
             return $this->paymentMethod->$name();

src/PaymentMethods/PaymentMethod.php

@@ -171,6 +171,16 @@ public function serviceVersion(): int
         return $this->serviceVersion;
     }
 
+    /**
+     * @return PaymentInterface
+     */
+    public function setServiceVersion(int $serviceVersion): PaymentInterface
+    {
+        $this->serviceVersion = $serviceVersion;
+
+        return $this;
+    }
+
     /**
      * @param bool|null $isManually
      * @return $this

tests/Buckaroo/Payments/AfterpayTest.php

@@ -31,7 +31,7 @@ class AfterpayTest extends BuckarooTestCase
      */
     public function it_creates_a_afterpay_payment()
     {
-        $response = $this->buckaroo->method('afterpay')->pay($this->getPaymentPayload());
+        $response = $this->buckaroo->method('afterpay')->setServiceVersion(3)->pay($this->getPaymentPayload());
 
         $this->assertTrue($response->isSuccess());
     }