function initialize()
 {
     parent::initialize();
     $this->cache = new CDummyCache();
     //        $this->db->schemaCacheID = true;
     //        $this->db->schemaCache = $this->cache;
     //
     //        $this->db->getTableSchema('Author');
     //        $this->db->getTableSchema('Book');
 }
<?php

require dirname(__FILE__) . '/YiiMTestSuite.php';
$time = microtime(true);
$memory = memory_get_usage(true);
$test = new YiiMTestSuite();
$test->initialize();
$test->run();
echo sprintf(" %11s | %6.2f |\n", number_format(memory_get_usage(true) - $memory), microtime(true) - $time);