picotls-cli exists by `close $child_in`, which makes waitpid to fail
@@ -65,7 +65,6 @@ subtest "http/2" => sub {
"\x00\x00\x00\x04\x00\x00\x00\x00\x00", # SETTINGS
"\x00\x00@{[chr length $hpack]}\x01\x05\x00\x00\x00\x01$hpack", # HEADERS
);
- close $child_in;
while (waitpid($pid, 0) != $pid) {}
