Index: /branches/version-2_12-dev/tests/class/test/util/User_Utils.php
===================================================================
--- /branches/version-2_12-dev/tests/class/test/util/User_Utils.php	(revision 22128)
+++ /branches/version-2_12-dev/tests/class/test/util/User_Utils.php	(revision 22145)
@@ -29,7 +29,5 @@
       return;
     }
-    if ($customer == null) {
-      $customer = self::getDefaultCustomer();
-    }
+    $customer = array_merge(self::getDefaultCustomer(), $customer);
     $_SESSION['customer']['customer_id'] = $customer['customer_id'];
     $_SESSION['customer']['email'] = $customer['email'];
Index: /branches/version-2_12-dev/tests/class/test/util/Test_Utils.php
===================================================================
--- /branches/version-2_12-dev/tests/class/test/util/Test_Utils.php	(revision 22139)
+++ /branches/version-2_12-dev/tests/class/test/util/Test_Utils.php	(revision 22145)
@@ -49,4 +49,21 @@
   }
 
+  /**
+   * 配列の各要素（連想配列）から特定のキーだけを抜き出した配列を返します.
+   * 入力の連想配列には変更を加えません.
+   * 
+   * @static
+   * @param input_array 入力の配列
+   * @param key 抽出対象のキー
+   * @return 指定のキーだけを抜き出した配列
+   */
+  public static function mapCols($input_array, $key) {
+    $output_array = array();
+    foreach ($input_array as $data) {
+      $output_array[] = $data[$key];
+    }
+    
+    return $output_array;
+  }
 }