Disable old TLS tests in Node 18 - unusable due to OpenSSL update

Author: pimterry

test/integration/proxy.spec.ts

@@ -21,7 +21,8 @@ import {
     startDnsServer,
     destroyable,
     DestroyableServer,
-    H2_TLS_ON_TLS_SUPPORTED
+    H2_TLS_ON_TLS_SUPPORTED,
+    OLD_TLS_SUPPORTED
 } from "../test-utils";
 import { CA } from "../../src/util/tls";
 import { isLocalIPv6Available } from "../../src/util/socket-util";
@@ -1167,6 +1168,10 @@ nodeOnly(() => {
 
                 describe("given a TLSv1 upstream server", () => {
 
+                    before(function () {
+                        if (!semver.satisfies(process.version, OLD_TLS_SUPPORTED)) this.skip();
+                    });
+
                     let oldServerPort: number;
                     let oldServer: DestroyableServer & https.Server;
 

test/test-utils.ts

@@ -182,6 +182,7 @@ export async function startDnsServer(callback: (question: dns2.DnsQuestion) => s
 
 export const H2_TLS_ON_TLS_SUPPORTED = ">=12.17";
 export const HTTP_ABORTSIGNAL_SUPPORTED = ">=14.17";
+export const OLD_TLS_SUPPORTED = "<17"; // In 17+ TLS < v1.2 is only available with legacy OpenSSL flag
 
 type Http2ResponseHeaders = http2.IncomingHttpHeaders & http2.IncomingHttpStatusHeader;