MAGETWO-44712: Incorrect order status is displayed in archive orders grid after using mass action

dev/tests/static/testsuite/Magento/Test/Integrity/ObserverImplementationTest.php

@@ -98,9 +98,9 @@ class ObserverImplementationTest extends \PHPUnit_Framework_TestCase
         $blacklistExceptions = [];
         foreach (glob($blacklistFiles) as $fileName) {
             $blacklistExceptions = array_merge(
-                $blacklistExceptions, file($fileName,
-                FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES
-            ));
+                $blacklistExceptions,
+                file($fileName, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES)
+            );
         }
         return array_diff(
             array_unique($observerClasses),