fix e2e root dir path

src/tests/end-to-end/common/browser-factory.ts

@@ -51,7 +51,7 @@ async function verifyExtensionIsBuilt(extensionPath: string): Promise<void> {
 
 async function launchNewBrowser(): Promise<Puppeteer.Browser> {
     // only unpacked extension paths are supported
-    const extensionPath = `${__dirname}../../../../../drop/dev/extension/`;
+    const extensionPath = `${(global as any).rootDir}/drop/dev/extension/`;
 
     // It's important that we verify this before calling Puppeteer.launch because its behavior if the
     // extension can't be loaded is "the Chromium instance hangs with an alert and everything on Puppeteer's

src/tests/end-to-end/jest.config.js

@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
+const path = require('path');
 var common = require('../jest.common.config');
 const rootDir = '../../../';
 const currentDir = '<rootDir>/src/tests/end-to-end';
@@ -19,4 +20,7 @@ module.exports = {
     roots: ['<rootDir>/src/tests/end-to-end'],
     reporters: ['default', ['jest-junit', { outputDirectory: '.', outputName: '<rootDir>/test-results/e2e/junit-e2e.xml' }]],
     setupFilesAfterEnv: [`${currentDir}/setup/test-setup.ts`],
+    globals: {
+        rootDir: path.resolve(__dirname, rootDir),
+    },
 };