Update test deps

test/test.js

@@ -13,7 +13,6 @@ require('chromedriver');
 
 const execSync = require('child_process').execSync,
     expect = require('expect.js'),
-    superagent = require('superagent'),
     path = require('path'),
     timers = require('timers/promises'),
     { Builder, By, until } = require('selenium-webdriver'),