diff --git a/Model/Behavior/OriginalKeyBehavior.php b/Model/Behavior/OriginalKeyBehavior.php
index f4b7547b..807eca7e 100644
--- a/Model/Behavior/OriginalKeyBehavior.php
+++ b/Model/Behavior/OriginalKeyBehavior.php
@@ -29,6 +29,13 @@ class OriginalKeyBehavior extends ModelBehavior {
 		'priority' => 8
 	);
 
+/**
+ * PHPUnitで使用するキー配列
+ *
+ * @var mixed
+ */
+	public static $isUnitRandomKey = false;
+
 /**
  * beforeSave is called before a model is saved. Returning false from a beforeSave callback
  * will abort the save operation.
@@ -87,7 +94,7 @@ public function afterSave(Model $model, $created, $options = array()) {
  * @return string Hash key
  */
 	public static function generateKey($plugin, $dataSource) {
-		if ($dataSource !== 'test') {
+		if ($dataSource !== 'test' || self::$isUnitRandomKey) {
 			return Security::hash($plugin . mt_rand() . microtime(), 'md5');
 		} else {
 			return Security::hash($plugin, 'md5');
diff --git a/TestSuite/NetCommonsCakeTestCase.php b/TestSuite/NetCommonsCakeTestCase.php
index aff19820..f81da42c 100644
--- a/TestSuite/NetCommonsCakeTestCase.php
+++ b/TestSuite/NetCommonsCakeTestCase.php
@@ -15,6 +15,7 @@
 App::uses('Current', 'NetCommons.Utility');
 App::uses('NetCommonsTestSuite', 'NetCommons.TestSuite');
 App::uses('SiteSettingUtil', 'SiteManager.Utility');
+App::uses('OriginalKeyBehavior', 'NetCommons.Model/Behavior');
 
 /**
  * NetCommonsCakeTestCase class
@@ -151,6 +152,8 @@ public function tearDown() {
 		Current::$current = array();
 		Current::$permission = array();
 
+		OriginalKeyBehavior::$isUnitRandomKey = false;
+
 		parent::tearDown();
 	}
 
diff --git a/TestSuite/NetCommonsControllerBaseTestCase.php b/TestSuite/NetCommonsControllerBaseTestCase.php
index b6073e99..159d8bb1 100644
--- a/TestSuite/NetCommonsControllerBaseTestCase.php
+++ b/TestSuite/NetCommonsControllerBaseTestCase.php
@@ -20,6 +20,7 @@
 App::uses('NetCommonsCakeTestCase', 'NetCommons.TestSuite');
 App::uses('Role', 'Roles.Model');
 App::uses('SiteSettingUtil', 'SiteManager.Utility');
+App::uses('OriginalKeyBehavior', 'NetCommons.Model/Behavior');
 
 /**
  * NetCommonsControllerTestCase
@@ -160,6 +161,8 @@ public function tearDown() {
 		Current::$current = array();
 		Current::$permission = array();
 
+		OriginalKeyBehavior::$isUnitRandomKey = false;
+
 		SiteSettingUtil::reset();
 		parent::tearDown();
 	}