fix expected count items

Author: Nazar65

dev/tests/integration/testsuite/Magento/Backend/Model/Dashboard/ChartTest.php

@@ -7,7 +7,6 @@
 
 namespace Magento\Backend\Model\Dashboard;
 
-use Magento\Backend\Model\Dashboard\Chart;
 use Magento\TestFramework\Helper\Bootstrap;
 use PHPUnit\Framework\TestCase;
 
@@ -62,7 +61,7 @@ public function getChartDataProvider(): array
                 'quantity'
             ],
             [
-                6,
+                19,
                 '1m',
                 'quantity'
             ],