Updated Payment APIs

- Updated SDK Models to latest Payment APIs
- Updated Unit Tests

lib/PayPal/Api/ShippingAddress.php

@@ -14,14 +14,15 @@ use PayPal\Common\PayPalModel;
  * @property string id
  * @property string recipient_name
  * @property bool default_address
+ * @property bool preferred_address
  */
-class ShippingAddress extends Address 
+class ShippingAddress extends Address
 {
     /**
      * Address ID assigned in PayPal system.
      *
      * @param string $id
-     * 
+     *
      * @return $this
      */
     public function setId($id)
@@ -44,7 +45,7 @@ class ShippingAddress extends Address
      * Name of the recipient at this address.
      *
      * @param string $recipient_name
-     * 
+     *
      * @return $this
      */
     public function setRecipientName($recipient_name)
@@ -67,7 +68,7 @@ class ShippingAddress extends Address
      * Default shipping address of the Payer.
      *
      * @param bool $default_address
-     * 
+     *
      * @return $this
      */
     public function setDefaultAddress($default_address)
@@ -86,4 +87,27 @@ class ShippingAddress extends Address
         return $this->default_address;
     }
 
+    /**
+     * Shipping Address marked as preferred by Payer.
+     *
+     * @param bool $preferred_address
+     *
+     * @return $this
+     */
+    public function setPreferredAddress($preferred_address)
+    {
+        $this->preferred_address = $preferred_address;
+        return $this;
+    }
+
+    /**
+     * Shipping Address marked as preferred by Payer.
+     *
+     * @return bool
+     */
+    public function getPreferredAddress()
+    {
+        return $this->preferred_address;
+    }
+
 }