Fix argon2 test if provided by sodium

Author: nikic

ext/standard/tests/password/password_hash_error_argon2.phpt

@@ -4,6 +4,7 @@ Test error operation of password_hash() with Argon2i and Argon2id
 <?php
 if (!defined('PASSWORD_ARGON2I')) die('skip password_hash not built with Argon2');
 if (!defined('PASSWORD_ARGON2ID')) die('skip password_hash not built with Argon2');
+if (PASSWORD_ARGON2_PROVIDER != 'standard') die('skip argon2 not provided by standard');
 ?>
 --FILE--
 <?php