Cohttp Lwt Server: massive chunked test failure on macos

[mseri]

There is a new issue, which appeared after merging https://github.com/mirage/ocaml-cohttp/pull/905 (may or may not be related to it):

File "cohttp-lwt-unix/test/dune", line 22, characters 0-86:
22 | (rule
23 |  (alias runtest)
24 |  (package cohttp-lwt-unix)
25 |  (action
26 |   (run ./test_sanity.exe)))
(cd _build/default/cohttp-lwt-unix/test && ./test_sanity.exe)
[DEBUG][application]: Cohttp debugging output is active
...F...
==============================================================================
Failure: Cohttp Server Test:3:massive chunked
expected: 64000 but got: 56128

[mseri]

It seems to fail only on macos

[mseri]

This is now fixed