Tests: aligned various generic read timeouts to http_end().
It was observed that previous timeout values could not be enough when
making mass-building, in particular, when running with modsecurity.
diff --git a/h2_proxy_request_buffering.t b/h2_proxy_request_buffering.t
index f72cc24..75a22b1 100644
--- a/h2_proxy_request_buffering.t
+++ b/h2_proxy_request_buffering.t
@@ -265,7 +265,7 @@
my ($s, $timo) = @_;
my $buf = '';
- if (IO::Select->new($s)->can_read($timo || 5)) {
+ if (IO::Select->new($s)->can_read($timo || 8)) {
$s->sysread($buf, 16384) or return;
log2i($buf);
}