fixing failed tests

Author: karyna-t

app/code/Magento/GroupedProduct/Test/Unit/Pricing/Price/ConfiguredPriceTest.php

@@ -219,8 +219,7 @@ public function testGetAmount()
     {
         $resultPrice = rand(1, 9);
 
-        $this->price->expects($this->exactly(4))
-            ->method('getValue')
+        $this->price->method('getValue')
             ->willReturn($resultPrice);
 
         $this->priceInfo->expects($this->once())

app/code/Magento/Sales/Test/Unit/Model/OrderTest.php

@@ -403,9 +403,6 @@ public function testGetCustomerName(array $expectedData)
         $this->order->setCustomerFirstname($expectedData['first_name']);
         $this->order->setCustomerSuffix($expectedData['customer_suffix']);
         $this->order->setCustomerPrefix($expectedData['customer_prefix']);
-        $this->scopeConfigMock->expects($this->exactly($expectedData['invocation']))
-            ->method('isSetFlag')
-            ->willReturn(true);
         $this->assertEquals($expectedData['expected_name'], $this->order->getCustomerName());
     }
 
@@ -419,7 +416,6 @@ public function customerNameProvider()
                 [
                     [
                         'first_name' => null,
-                        'invocation' => 0,
                         'expected_name' => 'Guest',
                         'customer_suffix' => 'smith',
                         'customer_prefix' => 'mr.'
@@ -428,7 +424,6 @@ public function customerNameProvider()
                 [
                     [
                         'first_name' => 'Smith',
-                        'invocation' => 1,
                         'expected_name' => 'mr. Smith  Carl',
                         'customer_suffix' => 'Carl',
                         'customer_prefix' => 'mr.'

lib/internal/Magento/Framework/Pricing/Price/AbstractPrice.php

@@ -24,7 +24,7 @@ abstract class AbstractPrice implements PriceInterface
     /**
      * Default price type
      */
-    const PRICE_CODE = 'abstract_price';
+    public const PRICE_CODE = 'abstract_price';
 
     /**
      * @var AmountInterface[]

setup/src/Magento/Setup/Model/BatchInsert.php

@@ -32,7 +32,7 @@ class BatchInsert
     private $batchSize;
 
     /**
-     * @var array
+     * @var \SplFixedArray
      */
     private $dataStorage;
 
@@ -85,11 +85,19 @@ public function flush()
                 $this->dataStorage->setSize($this->currentStorageIndex);
             }
 
-            $this->dataStorage->rewind();
+            if (method_exists($this->dataStorage, 'getIterator')) {
+                // PHP > 8.0
+                $this->dataStorage->getIterator()->rewind();
+                $columnsToInsert = array_keys($this->dataStorage->getIterator()->current());
+            } else {
+                // PHP 7.4. compatibility
+                $this->dataStorage->rewind();
+                $columnsToInsert = array_keys($this->dataStorage->current());
+            }
             $this->getDbConnection()
                 ->insertArray(
                     $this->insertIntoTable,
-                    array_keys($this->dataStorage->current()),
+                    $columnsToInsert,
                     $this->dataStorage->toArray()
                 );