AC2093:Fixed static test

Author: abhattGlo

app/code/Magento/Paypal/Block/Express/Review.php

@@ -307,6 +307,11 @@ protected function _beforeToHtml()
         return parent::_beforeToHtml();
     }
 
+    /**
+     * Return paypal funding source
+     *
+     * @return string|null
+     */
     public function getPaypalFundingSource()
     {
         if ($this->_quote->getPayment()->getPaypalFundingSource()) {

app/code/Magento/Paypal/Controller/Express/OnAuthorization.php

@@ -33,16 +33,19 @@
 class OnAuthorization extends AbstractExpress implements HttpPostActionInterface
 {
     /**
+     * @var PayPalConfig
      * @inheritdoc
      */
     protected $_configType = PayPalConfig::class;
 
     /**
+     * @var PayPalConfig
      * @inheritdoc
      */
     protected $_configMethod = PayPalConfig::METHOD_WPP_EXPRESS;
 
     /**
+     * @var PayPalCheckout
      * @inheritdoc
      */
     protected $_checkoutType = PayPalCheckout::class;
@@ -53,8 +56,6 @@ class OnAuthorization extends AbstractExpress implements HttpPostActionInterface
     private $cartRepository;
 
     /**
-     * Url Builder
-     *
      * @var UrlInterface
      */
     private $urlBuilder;

app/code/Magento/Paypal/Model/Express/Checkout.php

@@ -30,25 +30,25 @@ class Checkout
      *
      * @var string
      */
-    const PAL_CACHE_ID = 'paypal_express_checkout_pal';
+    private const PAL_CACHE_ID = 'paypal_express_checkout_pal';
 
     /**
      * Keys for passthrough variables in sales/quote_payment and sales/order_payment
      * Uses additional_information as storage
      */
-    const PAYMENT_INFO_TRANSPORT_TOKEN    = 'paypal_express_checkout_token';
-    const PAYMENT_INFO_TRANSPORT_SHIPPING_OVERRIDDEN = 'paypal_express_checkout_shipping_overridden';
-    const PAYMENT_INFO_TRANSPORT_SHIPPING_METHOD = 'paypal_express_checkout_shipping_method';
-    const PAYMENT_INFO_TRANSPORT_PAYER_ID = 'paypal_express_checkout_payer_id';
-    const PAYMENT_INFO_TRANSPORT_REDIRECT = 'paypal_express_checkout_redirect_required';
-    const PAYMENT_INFO_TRANSPORT_BILLING_AGREEMENT = 'paypal_ec_create_ba';
+    public const PAYMENT_INFO_TRANSPORT_TOKEN    = 'paypal_express_checkout_token';
+    public const PAYMENT_INFO_TRANSPORT_SHIPPING_OVERRIDDEN = 'paypal_express_checkout_shipping_overridden';
+    public const PAYMENT_INFO_TRANSPORT_SHIPPING_METHOD = 'paypal_express_checkout_shipping_method';
+    public const PAYMENT_INFO_TRANSPORT_PAYER_ID = 'paypal_express_checkout_payer_id';
+    public const PAYMENT_INFO_TRANSPORT_REDIRECT = 'paypal_express_checkout_redirect_required';
+    public const PAYMENT_INFO_TRANSPORT_BILLING_AGREEMENT = 'paypal_ec_create_ba';
 
     /**
      * Flag which says that was used PayPal Express Checkout button for checkout
      * Uses additional_information as storage
      * @var string
      */
-    const PAYMENT_INFO_BUTTON = 'button';
+    public const PAYMENT_INFO_BUTTON = 'button';
 
     /**
      * @var \Magento\Quote\Model\Quote
@@ -131,8 +131,6 @@ class Checkout
     protected $_isBml = false;
 
     /**
-     * Customer ID
-     *
      * @var int
      */
     protected $_customerId;
@@ -145,8 +143,6 @@ class Checkout
     protected $_billingAgreement;
 
     /**
-     * Order
-     *
      * @var \Magento\Sales\Model\Order
      */
     protected $_order;
@@ -157,15 +153,11 @@ class Checkout
     protected $_configCacheType;
 
     /**
-     * Checkout data
-     *
      * @var \Magento\Checkout\Helper\Data
      */
     protected $_checkoutData;
 
     /**
-     * Tax data
-     *
      * @var \Magento\Tax\Helper\Data
      */
     protected $_taxData;
@@ -610,6 +602,7 @@ public function canSkipOrderReviewStep()
      *
      * @param string $token
      * @param string|null $payerIdentifier
+     * @param string|null $fundingSource
      * @return void
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      * @SuppressWarnings(PHPMD.NPathComplexity)