MAGETWO-72172: [2.3] Disabled variation of configurable product can be added to shopping cart via admin

- fix unstable mftf tests

Author: irenelagno

app/code/Magento/Downloadable/Test/Mftf/Test/AdminCreateDownloadableProductWithDefaultSetLinksTest.xml

@@ -74,6 +74,8 @@
 
         <!-- Save product -->
         <actionGroup ref="saveProductForm" stepKey="saveProduct"/>
+        <magentoCLI command="indexer:reindex" stepKey="reindex"/>
+        <magentoCLI command="cache:flush" stepKey="flushCache"/>
 
         <!-- Find downloadable product in grid -->
         <amOnPage url="{{AdminProductIndexPage.url}}" stepKey="visitAdminProductPage"/>

app/code/Magento/Wishlist/Test/Mftf/Test/StorefrontAddProductsToCartFromWishlistUsingSidebarTest.xml

@@ -25,13 +25,17 @@
             <createData entity="SimpleProduct" stepKey="simpleProduct2">
                 <requiredEntity createDataKey="categorySecond"/>
             </createData>
+            <magentoCLI command="indexer:reindex" stepKey="reindex"/>
+            <magentoCLI command="cache:flush" stepKey="flushCache"/>
             <createData entity="Simple_US_Customer" stepKey="customer"/>
         </before>
         <after>
             <deleteData createDataKey="simpleProduct1" stepKey="deleteSimpleProduct1"/>
             <deleteData createDataKey="simpleProduct2" stepKey="deleteSimpleProduct2"/>
             <deleteData createDataKey="categoryFirst" stepKey="deleteCategoryFirst"/>
             <deleteData createDataKey="categorySecond" stepKey="deleteCategorySecond"/>
+            <magentoCLI command="indexer:reindex" stepKey="reindex"/>
+            <magentoCLI command="cache:flush" stepKey="flushCache"/>
             <deleteData createDataKey="customer" stepKey="deleteCustomer"/>
         </after>
         <!-- Sign in as customer -->