The publisher's inbound-bidi handler wrote SubscribeOk to the bidi
before calling registerInboundSubscription. The peer's first
publisher.send() after observing Ok could race the registration on
dispatchers that resume the peer's continuation before the handler's
(notably Windows under Dispatchers.Default), causing send to observe
an empty inboundSubs and return false. Reordering makes the peer's
view of Ok a happens-after of the registration.
Fixes the Windows-only failure in
MoqLiteSessionTest.publisher_acks_subscribe_and_pushes_group_data_on_uni_stream.
Claude
19b534a9e2