fix fixtures.js

Author: mlwilkerson

browser-testing/fixtures.js

@@ -1,6 +1,6 @@
 import * as playwright from '@wordpress/e2e-test-utils-playwright'
 
-export const test = base.extend({
+export const test = playwright.test.extend({
   page: async ({ page }, use) => {
     page.on('console', msg => {
       if (process.env.SHOW_CONSOLE === 'true') {