ENGCOM-6321: Resolve Wrong Css at "Minimum Qty Allowed in Shopping Cart" on Google Chrome issue25647 #25648

Author: VladimirZaets

app/code/Magento/CatalogInventory/Block/Adminhtml/Form/Field/Minsaleqty.php

@@ -37,7 +37,7 @@ protected function _getGroupRenderer()
                 '',
                 ['data' => ['is_render_to_js_template' => true]]
             );
-            $this->_groupRenderer->setClass('customer_group_select');
+            $this->_groupRenderer->setClass('customer_group_select admin__control-select');
         }
         return $this->_groupRenderer;
     }
@@ -57,7 +57,7 @@ protected function _prepareToRender()
             'min_sale_qty',
             [
                 'label' => __('Minimum Qty'),
-                'class' => 'required-entry validate-number validate-greater-than-zero'
+                'class' => 'required-entry validate-number validate-greater-than-zero admin__control-text'
             ]
         );
         $this->_addAfter = false;

dev/tests/integration/testsuite/Magento/CatalogInventory/Block/Adminhtml/Form/Field/CustomergroupTest.php

@@ -22,11 +22,12 @@ protected function setUp()
 
     public function testToHtml()
     {
-        $this->_block->setClass('customer_group_select');
+        $this->_block->setClass('customer_group_select admin__control-select');
         $this->_block->setId('123');
         $this->_block->setTitle('Customer Group');
         $this->_block->setInputName('groups[item_options]');
-        $expectedResult = '<select name="groups[item_options]" id="123" class="customer_group_select" '
+        $expectedResult = '<select name="groups[item_options]" id="123" '
+            . 'class="customer_group_select admin__control-select" '
             . 'title="Customer Group" ><option value="32000" >ALL GROUPS</option><option value="0" >NOT LOGGED IN'
             . '</option><option value="1" >General</option><option value="2" >Wholesale</option><option value="3" >'
             . 'Retailer</option></select>';