chore: migrate stats cases

[LingyuCoder]

Summary

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[LingyuCoder]

!test-ng

[github-actions]

🔴🔴🔴 Test new runner failed

Task: https://github.com/web-infra-dev/rspack/actions/runs/8813243015

[github-actions]

🟢🟢🟢 Test new runner successed

Task: https://github.com/web-infra-dev/rspack/actions/runs/8813243015

> monorepo@0.6.3 test:ng /home/webinfra/ec2-linux-ci-5/_work/rspack/rspack
> pnpm --filter "@rspack/*" test:ng "--no-colors" "--silent=true" "--force-exit"

npm/darwin-arm64                         |  WARN  Unsupported platform: wanted: {"cpu":["arm64"],"os":["darwin"],"libc":["any"]} (current: {"os":"linux","cpu":"x64","libc":"glibc"})
npm/darwin-x64                           |  WARN  Unsupported platform: wanted: {"cpu":["x64"],"os":["darwin"],"libc":["any"]} (current: {"os":"linux","cpu":"x64","libc":"glibc"})
npm/win32-x64-msvc                       |  WARN  Unsupported platform: wanted: {"cpu":["x64"],"os":["win32"],"libc":["any"]} (current: {"os":"linux","cpu":"x64","libc":"glibc"})
Scope: 12 of 24 workspace projects
packages/rspack-test-tools test:ng$ cross-env SNAPSHOT=legacy NO_COLOR=1 node --expose-gc --max-old-space-size=8192 --experimental-vm-modules ../../node_modules/jest-cli/bin/jest --logHeapUsage --config ./jest.config.legacy.js "--no-colors" "--silent=true" "--force-exit"
packages/rspack-test-tools test:ng: jest-haste-map: Haste module naming collision: example-basic
packages/rspack-test-tools test:ng:   The following files share their name; please adjust your hasteImpl:
packages/rspack-test-tools test:ng:     * <rootDir>/tests/treeShakingCases/cjs-tree-shaking-basic/package.json
packages/rspack-test-tools test:ng:     * <rootDir>/tests/treeShakingCases/reexport-all-as/package.json
packages/rspack-test-tools test:ng: PASS tests/HashTestCases.test.js (71 MB heap size)
packages/rspack-test-tools test:ng: PASS tests/WatchTestCases.longtest.js (5.684 s, 70 MB heap size)
packages/rspack-test-tools test:ng: Test Suites: 2 passed, 2 total
packages/rspack-test-tools test:ng: Tests:       22 passed, 22 total
packages/rspack-test-tools test:ng: Snapshots:   0 total
packages/rspack-test-tools test:ng: Time:        6.358 s
packages/rspack-test-tools test:ng: Force exiting Jest: Have you considered using `--detectOpenHandles` to detect async operations that kept running after all tests finished?
packages/rspack-test-tools test:ng: Done
Test new runner successed