Update Portal tests from Jest to Vitest

[Copilot]

This PR migrates the Portal component tests from Jest to Vitest as part of the broader test suite migration effort.

Changes Made

• Updated vitest.config.browser.mts: Added 'src/Portal/**/*.test.?(c|m)[jt]s?(x)' to the include array to run Portal tests with Vitest
• Updated jest.config.js: Added '<rootDir>/src/Portal/' to the modulePathIgnorePatterns to exclude Portal tests from Jest
• Updated Portal.test.tsx: Added import {describe, expect, it} from 'vitest' to explicitly import test functions from Vitest

Migration Details

The Portal tests were already in good shape for migration:

• ✅ Already using render from @testing-library/react
• ✅ No behavesAsComponent usage to remove
• ✅ No checkExports usage to remove
• ✅ No toHaveNoViolations assertions to remove
• ✅ No setupMatchMedia usage to remove
• ✅ No it.skip tests to enable

All 5 Portal tests are now passing with Vitest and Jest no longer runs these tests.

Fixes #6388.

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[changeset-bot]

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Latest commit: fd4f0cf

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[github-actions]

👋 Hi, this pull request contains changes to the source code that github/github depends on. If you are GitHub staff, we recommend testing these changes with github/github using the integration workflow. Thanks!

[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	92.21 KB (0%)
packages/react/dist/browser.umd.js	92.39 KB (0%)

[Copilot]

Pull Request Overview

This PR migrates the Portal component tests from Jest to Vitest as part of the broader test suite migration effort. The changes ensure Portal tests run exclusively with Vitest while maintaining test functionality.

Key changes:

• Added Portal test path to Vitest configuration to include Portal tests in the Vitest test runner
• Excluded Portal tests from Jest configuration to prevent duplicate test execution
• Updated Portal test file with explicit Vitest imports for test functions

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
packages/react/vitest.config.browser.mts	Added Portal test path to Vitest include array
packages/react/src/Portal/Portal.test.tsx	Added explicit Vitest imports for test functions
packages/react/jest.config.js	Added Portal directory to Jest modulePathIgnorePatterns