Noissue - Enable tests to run on other browser versions

test/browsers/chromium.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
-// The Chromium version is a build number, quite obscure.
-// Chromium 63.0.3239.x is 508578
-// Chromium 65.0.3325.0 is 530368
-// We currently want Chromiun 63, as we still support it and that's the
-// loweset version that supports WebDriver.
-const CHROMIUM_REVISION = 508578;
-
 const webdriver = require("selenium-webdriver");
 const chrome = require("selenium-webdriver/chrome");
 const {ensureChromium} = require("../../adblockpluscore/test/runners/" +
                                 "chromium_download");
 
 exports.platform = "chrome";
+exports.ensureBrowser = ensureChromium;
 
-exports.ensureBrowser = function()
-{
-  return ensureChromium(CHROMIUM_REVISION);
-};
+// The Chromium version is a build number, quite obscure.
+// Chromium 63.0.3239.x is 508578
+// Chromium 65.0.3325.0 is 530368
+// We currently want Chromiun 63, as we still support it and that's the
+// loweset version that supports WebDriver.
+exports.oldestCompatibleVersion = 508578;
 
 exports.getDriver = function(browserBinary, devenvPath)
 {
   let options = new chrome.Options()
     .setChromeBinaryPath(browserBinary)
     .addArguments("--no-sandbox")
     .addArguments(`load-extension=${devenvPath}`);
 
   return new webdriver.Builder()
     .forBrowser("chrome")
     .setChromeOptions(options)
     .build();
 };