fix: use browser.isolate instead of config.isolate

packages/browser/src/client/orchestrator.ts

@@ -49,7 +49,7 @@ class IframeOrchestrator {
     this.iframes.forEach(iframe => iframe.remove())
     this.iframes.clear()
 
-    if (config.isolate === false) {
+    if (config.browser.isolate === false) {
       debug('create iframe', ID_ALL)
       const iframe = this.createIframe(container, ID_ALL)
 

test/browser/test/dom.test.ts

@@ -1,11 +1,14 @@
 import { createNode } from '#src/createNode'
 import { page } from '@vitest/browser/context'
-import { beforeEach, describe, expect, test } from 'vitest'
+import { afterAll, beforeEach, describe, expect, test } from 'vitest'
 import '../src/button.css'
 
+afterAll(() => {
+  document.body.removeAttribute('style')
+})
+
 describe('dom related activity', () => {
   beforeEach(() => {
-    document.body.style.background = '#f3f3f3'
     document.body.replaceChildren()
   })
 
@@ -101,7 +104,6 @@ describe('dom related activity', () => {
 })
 
 function createWrapper() {
-  document.body.style.background = '#f3f3f3'
   const wrapper = document.createElement('div')
   wrapper.className = 'wrapper'
   document.body.appendChild(wrapper)

test/browser/test/viewport.test.ts

@@ -1,7 +1,12 @@
 import { server } from '@vitest/browser/context'
 import { describe, expect, it } from 'vitest'
 
-describe.skipIf(server.provider === 'preview')('viewport window has been properly initialized', () => {
+describe.skipIf(
+  // preview cannot control viewport
+  server.provider === 'preview'
+  // other tests affect the viewport if they run in a different order
+  || server.config.browser.isolate === false,
+)('viewport window has been properly initialized', () => {
   it.skipIf(!server.config.browser.headless)('viewport has proper size', () => {
     const { width, height } = server.config.browser.viewport
     const { width: actualWidth, height: actualHeight } = window.document.documentElement.getBoundingClientRect()