fix: use performance.now to measure test timeout duration (#9795)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: hi-ogawa

packages/browser/src/client/tester/tester-utils.ts

@@ -186,7 +186,9 @@ export class CommandsManager {
   }
 }
 
-const now = Date.now
+const now = globalThis.performance
+  ? globalThis.performance.now.bind(globalThis.performance)
+  : Date.now
 
 export function processTimeoutOptions<T extends { timeout?: number }>(options_: T | undefined): T | undefined {
   if (
@@ -212,7 +214,7 @@ export function processTimeoutOptions<T extends { timeout?: number }>(options_:
   options_ = options_ || {} as T
   const currentTime = now()
   const endTime = startTime + timeout
-  const remainingTime = endTime - currentTime
+  const remainingTime = Math.floor(endTime - currentTime)
   if (remainingTime <= 0) {
     return options_
   }

packages/runner/src/context.ts

@@ -14,7 +14,9 @@ import { PendingError } from './errors'
 import { finishSendTasksUpdate } from './run'
 import { getRunner } from './suite'
 
-const now = Date.now
+const now = globalThis.performance
+  ? globalThis.performance.now.bind(globalThis.performance)
+  : Date.now
 
 export const collectorContext: RuntimeContext = {
   tasks: [],

test/browser/README.md

@@ -26,5 +26,5 @@ Some test suites don't support running it remotely (`fixtures/inspect` and `fixt
 pnpm docker up -d
 
 # Run tests with BROWSER_WS_ENDPOINT
-BROWSER_WS_ENDPOINT=ws://127.0.0.1:6677/ pnpm run test:playwright
+BROWSER_WS_ENDPOINT=true pnpm run test:playwright
 ```

test/browser/settings.ts

@@ -5,12 +5,14 @@ import { webdriverio } from '@vitest/browser-webdriverio'
 
 const providerName = (process.env.PROVIDER || 'playwright') as 'playwright' | 'webdriverio' | 'preview'
 
+const wsEndpoint = process.env.BROWSER_WS_ENDPOINT === 'true' ? 'ws://127.0.0.1:6677/' : process.env.BROWSER_WS_ENDPOINT
+
 export const providers = {
-  playwright: (options?: Parameters<typeof playwright>[0]) => playwright(process.env.BROWSER_WS_ENDPOINT
+  playwright: (options?: Parameters<typeof playwright>[0]) => playwright(wsEndpoint
     ? {
         ...options,
         connectOptions: {
-          wsEndpoint: process.env.BROWSER_WS_ENDPOINT,
+          wsEndpoint,
           exposeNetwork: '<loopback>',
         },
       }