magento#108: Clear Shopping Cart - Refactor MFTF and PHP files for PR changes requested

Author: John Carlo Octabio

app/code/Magento/Checkout/Test/Mftf/Test/ClearShoppingCartEnableDisableConfigurationTest.xml

@@ -14,6 +14,7 @@
             <title value="Enable and Disable Clear Shopping Cart Configuration"/>
             <description value="Verify that disabling the clear shopping cart store configuration will remove the clear shopping cart configuration button from the storefront's shopping cart page. Verify that enabling the configuration will add the button to the page and that the button functions as expected"/>
             <group value="shoppingCart"/>
+            <severity value="MAJOR"/>
         </annotations>
         <before>
             <!-- Create simple products and category -->
@@ -45,9 +46,6 @@
         <!-- Enable clear shopping cart button -->
         <actionGroup ref="AdminSelectClearShoppingCartConfigurationActionGroup" stepKey="enableClearShoppingCartButton"/>
         <actionGroup ref="SaveStoreConfigurationActionGroup" stepKey="saveStoreConfiguration1"/>
-        <actionGroup ref="CliCacheCleanActionGroup" stepKey="cliCacheClean1">
-            <argument name="tags" value=""/>
-        </actionGroup>
 
         <!-- Open product 1 and add to cart -->
         <actionGroup ref="StorefrontOpenProductEntityPageActionGroup" stepKey="openProduct1Page1">
@@ -74,9 +72,6 @@
             <argument name="value" value="{{DisableClearShoppingCart.textValue}}"/>
         </actionGroup>
         <actionGroup ref="SaveStoreConfigurationActionGroup" stepKey="saveStoreConfiguration2"/>
-        <actionGroup ref="CliCacheCleanActionGroup" stepKey="cliCacheClean2">
-            <argument name="tags" value=""/>
-        </actionGroup>
 
         <!-- Open product 1 page and add to cart -->
         <actionGroup ref="StorefrontOpenProductEntityPageActionGroup" stepKey="openProduct1Page2">

app/code/Magento/Checkout/ViewModel/Cart.php

@@ -11,12 +11,15 @@
 use Magento\Framework\View\Element\Context;
 use Magento\Store\Model\ScopeInterface;
 
+/**
+ * Cart form view model.
+ */
 class Cart implements ArgumentInterface
 {
     /**
      * Config settings path to enable clear shopping cart button
      */
-    public const XPATH_CONFIG_ENABLE_CLEAR_SHOPPING_CART = 'checkout/cart/enable_clear_shopping_cart';
+    private const XPATH_CONFIG_ENABLE_CLEAR_SHOPPING_CART = 'checkout/cart/enable_clear_shopping_cart';
 
     /**
      * @var ScopeConfigInterface

dev/tests/integration/testsuite/Magento/Checkout/ViewModel/CartTest.php

@@ -17,7 +17,6 @@
 /**
  * Test for clear shopping cart config
  *
- * @package Magento\Checkout\ViewModel
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class CartTest extends TestCase