MAGETWO-65534: Unstable Tests in L4 Functional Tests EE build on mainline develop: AddToCartCrossSellTest, NavigateUpSellProductsTest, NavigateRelatedProductsTest

Author: adifucan

dev/tests/functional/tests/app/Magento/Ui/Test/Block/Adminhtml/DataGrid.php

@@ -275,6 +275,7 @@ public function searchAndSelect(array $filter)
     {
         $this->search($filter);
         $rowItem = $this->getRow($filter);
+        $this->waitUntilRowIsVisible($rowItem);
         if ($rowItem->isVisible()) {
             $rowItem->find($this->selectItem)->click();
         } else {
@@ -283,6 +284,23 @@ public function searchAndSelect(array $filter)
         $this->waitLoader();
     }
 
+    /**
+     * Wait for row is visible in the grid.
+     *
+     * @param \Magento\Mtf\Client\ElementInterface $rowItem
+     * @return bool
+     */
+    private function waitUntilRowIsVisible($rowItem)
+    {
+        $locator = $rowItem->getLocator()['value'];
+        $strategy = $rowItem->getLocator()['using'];
+        $this->_rootElement->waitUntil(
+            function () use ($locator, $strategy) {
+                return $this->browser->find($locator, $strategy)->isVisible();
+            }
+        );
+    }
+
     /**
      * Perform selected massaction over checked items.
      *