fix CS

tests/Fixer/Operator/BinaryOperatorSpacesFixerTest.php

@@ -2029,7 +2029,7 @@ $a = $ae?? $b;
      *
      * @param string      $expected
      * @param null|string $input
-     * @param array  $configuration
+     * @param array       $configuration
      *
      * @dataProvider providePHP71Cases
      */