add https proxy to package test

Author: pcriadoperez

tests/package-test/test-cjs.cjs

@@ -1,6 +1,6 @@
 const Binance = require('node-binance-api');
 
-const client = new Binance({test: true})
+const client = new Binance({test: true, httpsProxy: 'http://188.245.226.105:8911'})
 
 async function main() {
     const ticker = await client.prices('BTCUSDT')

tests/package-test/test-esm.mjs

@@ -1,5 +1,5 @@
 import Binance from 'node-binance-api'
-const client = new Binance({test: true})
+const client = new Binance({test: true, httpsProxy: 'http://188.245.226.105:8911'})
 
 async function main() {
     const ticker = await client.bookTickers('BTCUSDT')