diff --git a/tests/util/AutoloadBuilderTest.php b/tests/util/AutoloadBuilderTest.php
index c31000a..92ffcc4 100644
--- a/tests/util/AutoloadBuilderTest.php
+++ b/tests/util/AutoloadBuilderTest.php
@@ -24,6 +24,8 @@ class AutoloadBuilderTest extends PHPUnit_Framework_TestCase
 
     private static $path;
 
+    private static $lib_path;
+
     private static $app;
 
     public function run(PHPUnit_Framework_TestResult $result = NULL)
@@ -38,13 +40,14 @@ class AutoloadBuilderTest extends PHPUnit_Framework_TestCase
     public static function setUpBeforeClass()
     {
         self::$path = realpath(dirname(__FILE__) . '/../../../..');
+        self::$lib_path = realpath(dirname(__FILE__) . '/../..');
         self::$app = 'lib/core/tests/face';
 
         self::$file = self::$path . '/' . self::$app . '/cache/autoload.php';
 
         self::$inc_dirs[self::$path . '/' . self::$app . '/src'] = true;
         self::$inc_dirs[self::$path . '/' . self::$app . '/cache'] = true;
-        self::$inc_dirs[self::$path . '/lib'] = true;
+        self::$inc_dirs[self::$lib_path . '/'] = true;
 
         foreach (self::$inc_dirs as $dir => &$is_exist) {
             if (!file_exists($dir)) {
@@ -83,6 +86,7 @@ class AutoloadBuilderTest extends PHPUnit_Framework_TestCase
         $this->assertFileExists(self::$file);
 
         $array = require self::$file;
+        $this->assertFileExists(self::$file);
         $this->assertInternalType('array', $array);
         $this->assertNotEmpty($array);
         $this->assertArrayHasKey('AutoloadBuilder', $array);
@@ -95,7 +99,7 @@ class AutoloadBuilderTest extends PHPUnit_Framework_TestCase
     public function testBuildWithExcluded()
     {
         $this->setConstants();
-        $builder = new AutoloadBuilder(self::$file, array_keys(self::$inc_dirs), array(self::$path . '/lib/core/app/'));
+        $builder = new AutoloadBuilder(self::$file, array_keys(self::$inc_dirs), array(self::$lib_path . '/app/'));
 
         $this->assertFileNotExists(self::$file);
         $builder->build();