diff --git a/.licenserc.yaml b/.licenserc.yaml
index 6734f79dc..b945d765c 100644
--- a/.licenserc.yaml
+++ b/.licenserc.yaml
@@ -57,7 +57,6 @@ header: # `header` section is configurations for source codes license header.
     - 'dist'
     - 'licenses'
     - '**/*.md'
-    - '**/testdata/**'
     - '**/go.mod'
     - '**/go.sum'
     - 'LICENSE'
diff --git a/testdata/dockercompose/mysql/mysqld.cnf b/testdata/dockercompose/mysql/mysqld.cnf
index ba7b3bcb7..b2f2584d4 100644
--- a/testdata/dockercompose/mysql/mysqld.cnf
+++ b/testdata/dockercompose/mysql/mysqld.cnf
@@ -1,36 +1,24 @@
-# Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License, version 2.0,
-# as published by the Free Software Foundation.
+#     http://www.apache.org/licenses/LICENSE-2.0
 #
-# This program is also distributed with certain software (including
-# but not limited to OpenSSL) that is licensed under separate terms,
-# as designated in a particular file or component or in included license
-# documentation.  The authors of MySQL hereby grant you an additional
-# permission to link the program and your derivative works with the
-# separately licensed software that they have included with MySQL.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License, version 2.0, for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
-#
-# The MySQL  Server configuration file.
-#
-# For explanations see
-# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
 
 [mysqld]
 pid-file        = /var/run/mysqld/mysqld.pid
 socket          = /var/run/mysqld/mysqld.sock
 datadir         = /var/lib/mysql
-#log-error      = /var/log/mysql/error.log
+log-error      = /var/log/mysql/error.log
 # By default we only accept connections from localhost
 bind-address   =  0.0.0.0
 # Disabling symbolic-links is recommended to prevent assorted security risks
diff --git a/testdata/sql/all_in_one.sql b/testdata/sql/all_in_one.sql
index b9a4e30ac..a8374aab3 100644
--- a/testdata/sql/all_in_one.sql
+++ b/testdata/sql/all_in_one.sql
@@ -1,19 +1,17 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+-- Licensed to the Apache Software Foundation (ASF) under one or more
+-- contributor license agreements.  See the NOTICE file distributed with
+-- this work for additional information regarding copyright ownership.
+-- The ASF licenses this file to You under the Apache License, Version 2.0
+-- (the "License"); you may not use this file except in compliance with
+-- the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
 
 DROP TABLE IF EXISTS `stock_tbl`;
 CREATE TABLE `stock_tbl`
diff --git a/testdata/sql/undo_log.sql b/testdata/sql/undo_log.sql
index 7a00b709d..d975d1da7 100644
--- a/testdata/sql/undo_log.sql
+++ b/testdata/sql/undo_log.sql
@@ -1,3 +1,18 @@
+-- Licensed to the Apache Software Foundation (ASF) under one or more
+-- contributor license agreements.  See the NOTICE file distributed with
+-- this work for additional information regarding copyright ownership.
+-- The ASF licenses this file to You under the Apache License, Version 2.0
+-- (the "License"); you may not use this file except in compliance with
+-- the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+
 DROP TABLE IF EXISTS `undo_log`;
 CREATE TABLE `undo_log`
 (