!744 add copyright

Merge pull request !744 from wangkun/master

distributeddatamgr/distributeddatamgrjstest/hap/src/main/js/default/test/List.test.js

+/*
+* Copyright (c) 2021 Huawei Device Co., Ltd.
+* Licensed 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.
+*/
 require('./SingleKvStorePromiseJsunit.test.js')
 require('./SingleKvStoreCallbackJsunit.test.js')
\ No newline at end of file