修正
Revert "Revert "ブラウザ上で変更テスト""

This reverts commit ff86735b21d4b5c7bd39bbf888065ba1b248762f.
Revert "Revert "Revert "ブラウザ上で変更テスト"""

This reverts commit 747ecef2e7e03964b9177896dcf1121f18f38fac.