Stat largefile test

[Jarred-Sumner]

What does this PR do?

Add a test for #3868 and #849

• Documentation or TypeScript types (it's okay to leave the rest blank in this case)
• Code changes

How did you verify your code works?

ran the test locally

lets see if github actions is okay with writing a 5 GB file to disk

[github-actions]

❌ @Jarred-Sumner 1 files with test failures on linux-x64-baseline:

• test/js/node/child_process/child_process-node.test.js

View test output

^{#1b252c58babe9b3596ff8e46ab02eb98b94de05f}

[github-actions]

❌ @Jarred-Sumner 1 files with test failures on linux-x64:

• test/js/node/child_process/child_process-node.test.js

View test output

^{#1b252c58babe9b3596ff8e46ab02eb98b94de05f}

[github-actions]

❌ @Jarred-Sumner 6 files with test failures on bun-darwin-aarch64:

• test/cli/run/log-test.test.ts
• test/js/bun/net/socket.test.ts
• test/js/bun/spawn/spawn.test.ts
• test/js/bun/test/test-test.test.ts
• test/js/node/child_process/child_process-node.test.js
• test/js/third_party/socket.io/socket.io-middleware.test.ts

View test output

^{#1b252c58babe9b3596ff8e46ab02eb98b94de05f}