typo fix

tests/unit/framework/validators/ValidatorTest.php

@@ -218,7 +218,7 @@ class ValidatorTest extends TestCase
 		$m = $this->getTestModel(['attr_msg_val' => ['bcc']]);
 		$val->addError($m, 'attr_msg_val', '{attribute}::{value}');
 		$errors = $m->getErrors('attr_msg_val');
-		$this->assertEquals('attr_msg_val::[)', $errors[0]);
+		$this->assertEquals('attr_msg_val::array()', $errors[0]);
 		$m = $this->getTestModel(['attr_msg_val' => 'abc']);
 		$val->addError($m, 'attr_msg_val', '{attribute}::{value}::{param}', ['{param}' => 'param_value']);
 		$errors = $m->getErrors('attr_msg_val');