diff --git a/app/app_test.go b/app/app_test.go
index 1288c8e..fed75d4 100644
--- a/app/app_test.go
+++ b/app/app_test.go
@@ -48,7 +48,7 @@ func TestAppRun(t *testing.T) {
 	schema, _ := config.LoadSchemaConfigFromFile("../tests/schema.yml")
 
 	dsns := []string{
-		"mysql://root@tcp(service-mysql)/test",
+		"mysql://root:root@tcp(service-mysql)/test",
 		// "postgres://postgres@tcp(service-postgres)/test",
 	}
 
diff --git a/tests/mysql_data.sql b/tests/mysql_data.sql
index 8bdb525..4033207 100644
--- a/tests/mysql_data.sql
+++ b/tests/mysql_data.sql
@@ -11,6 +11,8 @@ CREATE TABLE `table_truncate1` (
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
 
+INSERT INTO `table_truncate1` (`id`) VALUES (1), (2), (3);
+
 
 DROP TABLE IF EXISTS `table_truncate2`;
 CREATE TABLE `table_truncate2` (
diff --git a/tests/schema.yml b/tests/schema.yml
index 543fe76..5347931 100644
--- a/tests/schema.yml
+++ b/tests/schema.yml
@@ -1,8 +1,8 @@
 rules:
   actions:
     - table: table_truncate1
-      truncate: false
+      truncate: true
 
     - table: table_truncate2
       query: 'select * from table_truncate2 where delete_me=1'
-      truncate: false
+      truncate: true