added unit test changes

Author: niravkrish

app/code/Magento/Sales/Test/Unit/Model/Order/ItemTest.php

@@ -314,7 +314,7 @@ public function getItemQtyVariants()
                     'qty_ordered' => 12, 'qty_invoiced' => 12, 'qty_refunded' => 5, 'qty_shipped' => 4,
                     'qty_canceled' => 0
                 ],
-                'expectedResult' => ['to_ship' => 3.0, 'to_invoice' => 0.0]
+                'expectedResult' => ['to_ship' => 7.0, 'to_invoice' => 0.0]
             ],
             'complete' => [
                 'options' => [
@@ -335,7 +335,7 @@ public function getItemQtyVariants()
                     'qty_ordered' => 4.4, 'qty_invoiced' => 0.4, 'qty_refunded' => 0.4, 'qty_shipped' => 4,
                     'qty_canceled' => 0,
                 ],
-                'expectedResult' => ['to_ship' => 0.0, 'to_invoice' => 4.0]
+                'expectedResult' => ['to_ship' => 0.4, 'to_invoice' => 4.0]
             ],
             'completely_invoiced_using_decimals' => [
                 'options' => [