ENGCOM-4118: Static test fix.

Author: p-bystritsky

app/design/frontend/Magento/luma/Magento_Checkout/web/css/source/module/_minicart.less

@@ -393,6 +393,7 @@
 //
 //  Mobile
 //  _____________________________________________
+
 .media-width(@extremum, @break) when (@extremum = 'max') and (@break = @screen__m) {
     .minicart-wrapper {
         margin-top: @indent__s;