Set up Dexecure testing domain for China server
Set up Dexecure testing domain for China server

add coco-dex.koudashijie.com (#5531)
codecombat/codecombat,javatlacati/codecombat,codecombat/codecombat,codecombat/codecombat,codecombat/codecombat,javatlacati/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,jeremiahyan/codecombat,javatlacati/codecombat,codecombat/codecombat,jeremiahyan/codecombat