[openssl/openssl] 556f33: Fix test/quic_tserver_test.c for slow machines

[Richard Levitte]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 556f33837af8691f9b03c716e47d6d06186a6752
      https://github.com/openssl/openssl/commit/556f33837af8691f9b03c716e47d6d06186a6752
  Author: Richard Levitte <levitte at openssl.org>
  Date:   2023-09-13 (Wed, 13 Sep 2023)

  Changed paths:
    M test/quic_tserver_test.c

  Log Message:
  -----------
  Fix test/quic_tserver_test.c for slow machines

OSSL_sleep(1) isn't enough of a wait for threads to process the next QUIC
tick, so it gets increased to OSSL_sleep(100).  This may be a tad much,
perhaps, but for now, it gives a good margin.

Reviewed-by: Hugo Landau <hlandau at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22075)