Fix code before applying PHP CS Fixer

tests/Spout/Reader/XLSX/Manager/StyleManagerTest.php

@@ -16,8 +16,8 @@ class StyleManagerTest extends \PHPUnit_Framework_TestCase
 {
 
     /**
-     * @param array|void $styleAttributes
-     * @param array|void $customNumberFormats
+     * @param array $styleAttributes
+     * @param array $customNumberFormats
      * @return StyleManager
      */
     private function getStyleManagerMock($styleAttributes = [], $customNumberFormats = [])

tests/Spout/Reader/XLSX/ReaderTest.php

@@ -621,8 +621,8 @@ class ReaderTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @param string $fileName
-     * @param bool|void $shouldFormatDates
-     * @param bool|void $shouldPreserveEmptyRows
+     * @param bool $shouldFormatDates
+     * @param bool $shouldPreserveEmptyRows
      * @return array All the read rows the given file
      */
     private function getAllRowsForFile($fileName, $shouldFormatDates = false, $shouldPreserveEmptyRows = false)