test: skip failing tests for osx mojave

Refs: https://github.com/nodejs/node/issues/21679
PR-URL: https://github.com/nodejs/node/pull/23550
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: George Adams <george.adams@uk.ibm.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>

test/common/index.js

@@ -56,6 +56,8 @@ const isOpenBSD = process.platform === 'openbsd';
 const isLinux = process.platform === 'linux';
 const isOSX = process.platform === 'darwin';
 
+const isOSXMojave = isOSX && (os.release().startsWith('18'));
+
 const enoughTestMem = os.totalmem() > 0x70000000; /* 1.75 Gb */
 const cpus = os.cpus();
 const enoughTestCpu = Array.isArray(cpus) &&
@@ -712,6 +714,7 @@ module.exports = {
   isMainThread,
   isOpenBSD,
   isOSX,
+  isOSXMojave,
   isSunOS,
   isWindows,
   localIPv6Hosts,

test/known_issues/test-cluster-bind-privileged-port.js

@@ -0,0 +1,25 @@
+'use strict';
+const common = require('../common');
+
+// This test should fail on macOS (10.14) due to an issue with privileged ports.
+
+const assert = require('assert');
+const cluster = require('cluster');
+const net = require('net');
+
+if (!common.isOSXMojave)
+  assert.fail('Code should fail only on macOS Mojave.');
+
+
+if (cluster.isMaster) {
+  cluster.fork().on('exit', common.mustCall((exitCode) => {
+    assert.strictEqual(exitCode, 0);
+  }));
+} else {
+  const s = net.createServer(common.mustNotCall());
+  s.listen(42, common.mustNotCall('listen should have failed'));
+  s.on('error', common.mustCall((err) => {
+    assert.strictEqual(err.code, 'EACCES');
+    process.disconnect();
+  }));
+}

test/parallel/test-cluster-bind-privileged-port.js

@@ -21,6 +21,11 @@
 
 'use strict';
 const common = require('../common');
+
+// Skip on OS X Mojave. https://github.com/nodejs/node/issues/21679
+if (common.isOSXMojave)
+  common.skip('bypass test for Mojave due to OSX issue');
+
 if (common.isWindows)
   common.skip('not reliable on Windows.');
 

test/parallel/test-cluster-shared-handle-bind-privileged-port.js

@@ -21,6 +21,11 @@
 
 'use strict';
 const common = require('../common');
+
+// Skip on OS X Mojave. https://github.com/nodejs/node/issues/21679
+if (common.isOSXMojave)
+  common.skip('bypass test for Mojave due to OSX issue');
+
 if (common.isWindows)
   common.skip('not reliable on Windows');