Update Vitest to 4.0.0

Author: wojtekmaj

packages/react-datetime-picker/package.json

@@ -62,14 +62,14 @@
     "@types/node": "*",
     "@types/react": "*",
     "@types/react-dom": "*",
-    "@vitest/browser": "^3.2.3",
+    "@vitest/browser-playwright": "^4.0.1",
     "cpy-cli": "^5.0.0",
     "playwright": "^1.55.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "typescript": "^5.9.2",
-    "vitest": "^3.2.3",
-    "vitest-browser-react": "^1.0.1"
+    "vitest": "^4.0.1",
+    "vitest-browser-react": "^2.0.0"
   },
   "peerDependencies": {
     "@types/react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",

packages/react-datetime-picker/src/DateTimeInput.spec.tsx

@@ -1,5 +1,5 @@
-import { userEvent } from '@vitest/browser/context';
 import { describe, expect, it, vi } from 'vitest';
+import { userEvent } from 'vitest/browser';
 import { fireEvent, render } from '@testing-library/react';
 
 import DateTimeInput from './DateTimeInput.js';

packages/react-datetime-picker/src/DateTimePicker.spec.tsx

@@ -1,5 +1,5 @@
-import { userEvent } from '@vitest/browser/context';
 import { describe, expect, it, vi } from 'vitest';
+import { userEvent } from 'vitest/browser';
 import { act, fireEvent, render, waitFor, waitForElementToBeRemoved } from '@testing-library/react';
 
 import DateTimePicker from './DateTimePicker.js';

packages/react-datetime-picker/vitest.config.ts

@@ -1,3 +1,4 @@
+import { playwright } from '@vitest/browser-playwright';
 import { defineConfig } from 'vitest/config';
 
 import type { ViteUserConfig } from 'vitest/config';
@@ -8,7 +9,7 @@ const config: ViteUserConfig = defineConfig({
       enabled: true,
       headless: true,
       instances: [{ browser: 'chromium' }],
-      provider: 'playwright',
+      provider: playwright(),
     },
     setupFiles: 'vitest.setup.ts',
     watch: false,