diff --git a/tests/codeigniter/database/query_builder/insert_test.php b/tests/codeigniter/database/query_builder/insert_test.php
index 80073b9..78587d2 100644
--- a/tests/codeigniter/database/query_builder/insert_test.php
+++ b/tests/codeigniter/database/query_builder/insert_test.php
@@ -4,6 +4,7 @@
 
 	/**
 	 * @var object Database/Query Builder holder
+	 * @see ./mocks/schema/skeleton.php
 	 */
 	protected $db;
 
@@ -12,6 +13,9 @@
 		$this->db = Mock_Database_Schema_Skeleton::init(DB_DRIVER);
 
 		Mock_Database_Schema_Skeleton::create_tables();
+
+		// Truncate the current datas
+		$this->db->truncate('job');
 	}
 
 	// ------------------------------------------------------------------------