tests: fixed compatibility with PHP 8.0

Author: dg

tests/Security/Passwords.hash().phpt

@@ -26,7 +26,7 @@ Assert::same($hash, crypt('dg', $hash));
 
 Assert::exception(function () {
 	(new Passwords(PASSWORD_BCRYPT, ['cost' => 3]))->hash('dg');
-}, Nette\InvalidStateException::class, 'Computed hash is invalid. password_hash(): Invalid bcrypt cost parameter specified: 3');
+}, PHP_VERSION_ID < 80000 ? Nette\InvalidStateException::class : ValueError::class);
 
 Assert::exception(function () {
 	(new Passwords)->hash('');

tests/Security/Passwords.static.phpt

@@ -2,6 +2,7 @@
 
 /**
  * Test: Nette\Security\Passwords deprecated static usage
+ * @phpVersion < 8
  */
 
 declare(strict_types=1);