MAGETWO-31458: FPT is displayed in invoice totals for partial invoice when product with no FPT is invoiced

 - fixed static build failures

Author: Mike Weis

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

@@ -275,8 +275,8 @@ public function testCalcRowTotal($qty)
         $creditmemoMock->expects($this->exactly(4))
             ->method('roundPrice')
             ->will($this->returnCallback(
-                function($arg) {
-                    return round($arg,2);
+                function ($arg) {
+                    return round($arg, 2);
                 }
             ));