added proxy for lakebtc in test.js
added proxy for lakebtc in test.js

aiueogawa/ccxt,thijstriemstra/ccxt,thijstriemstra/ccxt,tritoanst/ccxt,aiueogawa/ccxt,ccxt/ccxt,aiueogawa/ccxt,ccxt/ccxt,thijstriemstra/ccxt,ccxt/ccxt,tritoanst/ccxt,tritoanst/ccxt,tritoanst/ccxt,ccxt/ccxt,thijstriemstra/ccxt,aiueogawa/ccxt,ccxt/ccxt