Add page navigation to e2e web driver (MetaMask#7867)

The driver now has a page navigation function that can navigate to any
of the three primary pages used in the extension. Additional pages and
support of paths can be added later as needed.

test/e2e/webdriver/chrome.js

@@ -22,7 +22,7 @@ class ChromeDriver {
 
     return {
       driver,
-      extensionUrl: `chrome-extension://${extensionId}/home.html`,
+      extensionUrl: `chrome-extension://${extensionId}`,
     }
   }
 

test/e2e/webdriver/driver.js

@@ -8,9 +8,10 @@ class Driver {
    * @param {string} browser - The type of browser this driver is controlling
    * @param {number} timeout
    */
-  constructor (driver, browser, timeout = 10000) {
+  constructor (driver, browser, extensionUrl, timeout = 10000) {
     this.driver = driver
     this.browser = browser
+    this.extensionUrl = extensionUrl
     this.timeout = timeout
   }
 
@@ -90,6 +91,12 @@ class Driver {
     assert.ok(!dataTab, 'Found element that should not be present')
   }
 
+  // Navigation
+
+  async navigate (page = Driver.PAGES.HOME) {
+    return await this.driver.get(`${this.extensionUrl}/${page}.html`)
+  }
+
   // Window management
 
   async openNewPage (url) {
@@ -189,4 +196,10 @@ class Driver {
   }
 }
 
+Driver.PAGES = {
+  HOME: 'home',
+  NOTIFICATION: 'notification',
+  POPUP: 'popup',
+}
+
 module.exports = Driver

test/e2e/webdriver/firefox.js

@@ -53,7 +53,7 @@ class FirefoxDriver {
     return {
       driver,
       extensionId,
-      extensionUrl: `moz-extension://${internalExtensionId}/home.html`,
+      extensionUrl: `moz-extension://${internalExtensionId}`,
     }
   }
 

test/e2e/webdriver/index.js

@@ -14,14 +14,12 @@ async function buildWebDriver ({ responsive, port } = {}) {
     extensionUrl,
   } = await buildBrowserWebDriver(browser, { extensionPath, responsive, port })
   setupFetchMocking(seleniumDriver)
-  await seleniumDriver.get(extensionUrl)
-
-  const driver = new Driver(seleniumDriver, browser)
+  const driver = new Driver(seleniumDriver, browser, extensionUrl)
+  await driver.navigate()
 
   return {
     driver,
     extensionId,
-    extensionUrl,
   }
 }