Tests: skip ssl_sni_reneg.t with TLS 1.3.
diff --git a/ssl_sni_reneg.t b/ssl_sni_reneg.t
index 47a4b0c..21bb697 100644
--- a/ssl_sni_reneg.t
+++ b/ssl_sni_reneg.t
@@ -39,8 +39,7 @@
 };
 plan(skip_all => 'Net::SSLeay with OpenSSL SNI support required') if $@;
 
-my $t = Test::Nginx->new()->has(qw/http http_ssl/)->has_daemon('openssl')
-	->plan(8);
+my $t = Test::Nginx->new()->has(qw/http http_ssl/)->has_daemon('openssl');
 
 $t->write_file_expand('nginx.conf', <<'EOF');
 
@@ -95,6 +94,14 @@
 
 $t->run();
 
+{
+	my (undef, $ssl) = get_ssl_socket(8080);
+	plan(skip_all => "TLS 1.3 forbids renegotiation")
+		if Net::SSLeay::version($ssl) > 0x0303;
+}
+
+$t->plan(8);
+
 ###############################################################################
 
 my ($s, $ssl) = get_ssl_socket(8080);