Ensure error reporting is set to all in tests (cebe#167)

Author: cebe

tests/bootstrap.php

@@ -1,4 +1,9 @@
 <?php
+
+error_reporting(-1);
+ini_set('display_errors', '1');
+ini_set('display_startup_errors', '1');
+
 defined('YII_DEBUG') or define('YII_DEBUG', true);
 defined('YII_ENV') or define('YII_ENV', 'test');
 require __DIR__ . '/../vendor/autoload.php';