Simplify build scripts and implement preliminary tests

test/driver.js

@@ -0,0 +1,47 @@
+"use strict";
+
+const path      = require("path");
+
+const webdriver = require("selenium-webdriver");
+const firefox   = require("selenium-webdriver/firefox");
+const chrome    = require("selenium-webdriver/chrome");
+
+
+const TEST_PAGE_URL = `file:///${__dirname}/test.html`;
+
+const firefoxOptions = new firefox.Options()
+    .headless()
+    .addExtensions(path.resolve(__dirname, "../dist/ext.xpi"))
+    .setPreference("xpinstall.signatures.required", false);
+
+const chromeOptions = new chrome.Options()
+    .excludeSwitches("disable-default-apps")
+    .addArguments(
+        "--load-media-router-component-extension");
+
+
+async function create () {
+    const driver = new webdriver.Builder()
+        .forBrowser('firefox')
+        .setFirefoxOptions(firefoxOptions)
+        .setChromeOptions(chromeOptions)
+        .build();
+
+    await driver.get(TEST_PAGE_URL);
+
+    try {
+        // Allow access from other specs
+        this.driver = driver;
+    } catch (err) {}
+
+    return driver;
+}
+
+async function destroy () {
+    await this.driver.quit();
+}
+
+module.exports = {
+    create
+  , destroy
+}