[flaky] test\http2-trailers.js

[trivikr]

test at test\http2-trailers.js:1:1
✖ D:\a\undici\undici\test\http2-trailers.js (1075.0576ms)
  'test failed'

Example: https://github.com/nodejs/undici/actions/runs/25400298764/job/74497751588?pr=5215