# HG changeset patch
# User Sergey Kandaurov <pluknet@nginx.com>
# Date 1541525593 -10800
# Node ID 2c0955286894c6774127fc93882963eb5e091496
# Parent  73a9504ae6fd61f75a3983784248b9cc0bd6e6c7
Tests: unbreak grpc.t on stable versions.

Notably, this fixes tests on Solaris.

diff --git a/grpc.t b/grpc.t
--- a/grpc.t
+++ b/grpc.t
@@ -210,6 +210,8 @@ is($frame->{headers}{'x-connection'}, $c
 }
 
 undef $f;
+# don't bother with a new instance until the old one is over
+select undef, undef, undef, 0.2 unless $t->has_version('1.15.4');
 $f = grpc();
 
 # various header compression formats