diff --git a/test/js/node/test/parallel/test-common-gc.js b/test/js/node/test/parallel/test-common-gc.js
new file mode 100644
index 00000000000000..f7d73ccd0423e3
--- /dev/null
+++ b/test/js/node/test/parallel/test-common-gc.js
@@ -0,0 +1,14 @@
+'use strict';
+// Flags: --expose-gc
+const common = require('../common');
+const { onGC } = require('../common/gc');
+
+{
+  onGC({}, { ongc: common.mustCall() });
+  global.gc();
+}
+
+{
+  onGC(process, { ongc: common.mustNotCall() });
+  global.gc();
+}
diff --git a/test/js/node/test/parallel/test-finalization-registry-shutdown.js b/test/js/node/test/parallel/test-finalization-registry-shutdown.js
new file mode 100644
index 00000000000000..f896aa2f285c75
--- /dev/null
+++ b/test/js/node/test/parallel/test-finalization-registry-shutdown.js
@@ -0,0 +1,23 @@
+// Flags: --expose-gc
+'use strict';
+const common = require('../common');
+
+// This test verifies that when a V8 FinalizationRegistryCleanupTask is queue
+// at the last moment when JavaScript can be executed, the callback of a
+// FinalizationRegistry will not be invoked and the process should exit
+// normally.
+
+const reg = new FinalizationRegistry(
+  common.mustNotCall('This FinalizationRegistry callback should never be called'));
+
+function register() {
+  // Create a temporary object in a new function scope to allow it to be GC-ed.
+  reg.register({});
+}
+
+process.on('exit', () => {
+  // This is the final chance to execute JavaScript.
+  register();
+  // Queue a FinalizationRegistryCleanupTask by a testing gc request.
+  global.gc();
+});
diff --git a/test/js/node/test/parallel/test-fs-watch-recursive-add-file-to-new-folder.js b/test/js/node/test/parallel/test-fs-watch-recursive-add-file-to-new-folder.js
new file mode 100644
index 00000000000000..fcc49bb7464937
--- /dev/null
+++ b/test/js/node/test/parallel/test-fs-watch-recursive-add-file-to-new-folder.js
@@ -0,0 +1,53 @@
+'use strict';
+
+const common = require('../common');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+// fs-watch on folders have limited capability in AIX.
+// The testcase makes use of folder watching, and causes
+// hang. This behavior is documented. Skip this for AIX.
+
+if (common.isAIX)
+  common.skip('folder watch capability is limited in AIX.');
+
+const assert = require('assert');
+const path = require('path');
+const fs = require('fs');
+
+const tmpdir = require('../common/tmpdir');
+const testDir = tmpdir.path;
+tmpdir.refresh();
+
+// Add a file to newly created folder to already watching folder
+
+const rootDirectory = fs.mkdtempSync(testDir + path.sep);
+const testDirectory = path.join(rootDirectory, 'test-3');
+fs.mkdirSync(testDirectory);
+
+const filePath = path.join(testDirectory, 'folder-3');
+
+const childrenFile = 'file-4.txt';
+const childrenAbsolutePath = path.join(filePath, childrenFile);
+const childrenRelativePath = path.join(path.basename(filePath), childrenFile);
+let watcherClosed = false;
+
+const watcher = fs.watch(testDirectory, { recursive: true });
+watcher.on('change', function(event, filename) {
+  if (filename === childrenRelativePath) {
+    assert.strictEqual(event, 'rename');
+    watcher.close();
+    watcherClosed = true;
+  }
+});
+
+// Do the write with a delay to ensure that the OS is ready to notify us.
+setTimeout(() => {
+  fs.mkdirSync(filePath);
+  fs.writeFileSync(childrenAbsolutePath, 'world');
+}, common.platformTimeout(200));
+
+process.once('exit', function() {
+  assert(watcherClosed, 'watcher Object was not closed');
+});
diff --git a/test/js/node/test/parallel/test-fs-watch-recursive-symlink.js b/test/js/node/test/parallel/test-fs-watch-recursive-symlink.js
new file mode 100644
index 00000000000000..37f71f56f8d019
--- /dev/null
+++ b/test/js/node/test/parallel/test-fs-watch-recursive-symlink.js
@@ -0,0 +1,111 @@
+'use strict';
+
+const common = require('../common');
+const { setTimeout } = require('timers/promises');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+// fs-watch on folders have limited capability in AIX.
+// The testcase makes use of folder watching, and causes
+// hang. This behavior is documented. Skip this for AIX.
+
+if (common.isAIX)
+  common.skip('folder watch capability is limited in AIX.');
+
+const assert = require('assert');
+const path = require('path');
+const fs = require('fs');
+
+const tmpdir = require('../common/tmpdir');
+const testDir = tmpdir.path;
+tmpdir.refresh();
+
+(async () => {
+  // Add a recursive symlink to the parent folder
+
+  const testDirectory = fs.mkdtempSync(testDir + path.sep);
+
+  // Do not use `testDirectory` as base. It will hang the tests.
+  const rootDirectory = path.join(testDirectory, 'test-1');
+  fs.mkdirSync(rootDirectory);
+
+  const filePath = path.join(rootDirectory, 'file.txt');
+
+  const symlinkFolder = path.join(rootDirectory, 'symlink-folder');
+  fs.symlinkSync(rootDirectory, symlinkFolder);
+
+  if (common.isMacOS) {
+    // On macOS delay watcher start to avoid leaking previous events.
+    // Refs: https://github.com/libuv/libuv/pull/4503
+    await setTimeout(common.platformTimeout(100));
+  }
+
+  const watcher = fs.watch(rootDirectory, { recursive: true });
+  let watcherClosed = false;
+  watcher.on('change', function(event, filename) {
+    assert.ok(event === 'rename', `Received ${event}`);
+    assert.ok(filename === path.basename(symlinkFolder) || filename === path.basename(filePath), `Received ${filename}`);
+
+    if (filename === path.basename(filePath)) {
+      watcher.close();
+      watcherClosed = true;
+    }
+  });
+
+  await setTimeout(common.platformTimeout(100));
+  fs.writeFileSync(filePath, 'world');
+
+  process.once('exit', function() {
+    assert(watcherClosed, 'watcher Object was not closed');
+  });
+})().then(common.mustCall());
+
+(async () => {
+  // This test checks how a symlink to outside the tracking folder can trigger change
+  // tmp/sub-directory/tracking-folder/symlink-folder -> tmp/sub-directory
+
+  const rootDirectory = fs.mkdtempSync(testDir + path.sep);
+
+  const subDirectory = path.join(rootDirectory, 'sub-directory');
+  fs.mkdirSync(subDirectory);
+
+  const trackingSubDirectory = path.join(subDirectory, 'tracking-folder');
+  fs.mkdirSync(trackingSubDirectory);
+
+  const symlinkFolder = path.join(trackingSubDirectory, 'symlink-folder');
+  fs.symlinkSync(subDirectory, symlinkFolder);
+
+  const forbiddenFile = path.join(subDirectory, 'forbidden.txt');
+  const acceptableFile = path.join(trackingSubDirectory, 'acceptable.txt');
+
+  if (common.isMacOS) {
+    // On macOS delay watcher start to avoid leaking previous events.
+    // Refs: https://github.com/libuv/libuv/pull/4503
+    await setTimeout(common.platformTimeout(100));
+  }
+
+  const watcher = fs.watch(trackingSubDirectory, { recursive: true });
+  let watcherClosed = false;
+  watcher.on('change', function(event, filename) {
+    // macOS will only change the following events:
+    // { event: 'rename', filename: 'symlink-folder' }
+    // { event: 'rename', filename: 'acceptable.txt' }
+    assert.ok(event === 'rename', `Received ${event}`);
+    assert.ok(filename === path.basename(symlinkFolder) || filename === path.basename(acceptableFile), `Received ${filename}`);
+
+    if (filename === path.basename(acceptableFile)) {
+      watcher.close();
+      watcherClosed = true;
+    }
+  });
+
+  await setTimeout(common.platformTimeout(100));
+  fs.writeFileSync(forbiddenFile, 'world');
+  await setTimeout(common.platformTimeout(100));
+  fs.writeFileSync(acceptableFile, 'acceptable');
+
+  process.once('exit', function() {
+    assert(watcherClosed, 'watcher Object was not closed');
+  });
+})().then(common.mustCall());
diff --git a/test/js/node/test/parallel/test-http-full-response.js b/test/js/node/test/parallel/test-http-full-response.js
new file mode 100644
index 00000000000000..d08e091ebd9808
--- /dev/null
+++ b/test/js/node/test/parallel/test-http-full-response.js
@@ -0,0 +1,81 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+// This test requires the program 'ab'
+const http = require('http');
+const exec = require('child_process').exec;
+
+const bodyLength = 12345;
+
+const body = 'c'.repeat(bodyLength);
+
+const server = http.createServer(function(req, res) {
+  res.writeHead(200, {
+    'Content-Length': bodyLength,
+    'Content-Type': 'text/plain'
+  });
+  res.end(body);
+});
+
+function runAb(opts, callback) {
+  const command = `ab ${opts} http://127.0.0.1:${server.address().port}/`;
+  exec(command, function(err, stdout, stderr) {
+    if (err) {
+      if (/ab|apr/i.test(stderr)) {
+        common.printSkipMessage(`problem spawning \`ab\`.\n${stderr}`);
+        process.reallyExit(0);
+      }
+      throw err;
+    }
+
+    let m = /Document Length:\s*(\d+) bytes/i.exec(stdout);
+    const documentLength = parseInt(m[1]);
+
+    m = /Complete requests:\s*(\d+)/i.exec(stdout);
+    const completeRequests = parseInt(m[1]);
+
+    m = /HTML transferred:\s*(\d+) bytes/i.exec(stdout);
+    const htmlTransferred = parseInt(m[1]);
+
+    assert.strictEqual(bodyLength, documentLength);
+    assert.strictEqual(completeRequests * documentLength, htmlTransferred);
+
+    if (callback) callback();
+  });
+}
+
+server.listen(0, common.mustCall(function() {
+  runAb('-c 1 -n 10', common.mustCall(function() {
+    console.log('-c 1 -n 10 okay');
+
+    runAb('-c 1 -n 100', common.mustCall(function() {
+      console.log('-c 1 -n 100 okay');
+
+      runAb('-c 1 -n 1000', common.mustCall(function() {
+        console.log('-c 1 -n 1000 okay');
+        server.close();
+      }));
+    }));
+  }));
+}));
diff --git a/test/js/node/test/parallel/test-http-no-content-length.js b/test/js/node/test/parallel/test-http-no-content-length.js
new file mode 100644
index 00000000000000..a3a51c015ec86f
--- /dev/null
+++ b/test/js/node/test/parallel/test-http-no-content-length.js
@@ -0,0 +1,44 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const net = require('net');
+const http = require('http');
+
+const server = net.createServer(function(socket) {
+  // Neither Content-Length nor Connection
+  socket.end('HTTP/1.1 200 ok\r\n\r\nHello');
+}).listen(0, common.mustCall(function() {
+  http.get({ port: this.address().port }, common.mustCall(function(res) {
+    let body = '';
+
+    res.setEncoding('utf8');
+    res.on('data', function(chunk) {
+      body += chunk;
+    });
+    res.on('end', common.mustCall(function() {
+      assert.strictEqual(body, 'Hello');
+      server.close();
+    }));
+  }));
+}));
diff --git a/test/js/node/test/parallel/test-http-server-connections-checking-leak.js b/test/js/node/test/parallel/test-http-server-connections-checking-leak.js
new file mode 100644
index 00000000000000..282c9a569fba7d
--- /dev/null
+++ b/test/js/node/test/parallel/test-http-server-connections-checking-leak.js
@@ -0,0 +1,24 @@
+'use strict';
+
+// Flags: --expose-gc
+
+// Check that creating a server without listening does not leak resources.
+
+require('../common');
+const { onGC } = require('../common/gc');
+const Countdown = require('../common/countdown');
+
+const http = require('http');
+const max = 100;
+
+// Note that Countdown internally calls common.mustCall, that's why it's not done here.
+const countdown = new Countdown(max, () => {});
+
+for (let i = 0; i < max; i++) {
+  const server = http.createServer((req, res) => {});
+  onGC(server, { ongc: countdown.dec.bind(countdown) });
+}
+
+setImmediate(() => {
+  global.gc();
+});
diff --git a/test/js/node/test/parallel/test-http2-large-write-multiple-requests.js b/test/js/node/test/parallel/test-http2-large-write-multiple-requests.js
new file mode 100644
index 00000000000000..bcbb1434cbec91
--- /dev/null
+++ b/test/js/node/test/parallel/test-http2-large-write-multiple-requests.js
@@ -0,0 +1,53 @@
+'use strict';
+const common = require('../common');
+if (!common.hasCrypto)
+  common.skip('missing crypto');
+
+// This tests that the http2 server sends data early when it accumulates
+// enough from ongoing requests to avoid DoS as mitigation for
+// CVE-2019-9517 and CVE-2019-9511.
+// Added by https://github.com/nodejs/node/commit/8a4a193
+const fixtures = require('../common/fixtures');
+const assert = require('assert');
+const http2 = require('http2');
+
+const content = fixtures.readSync('person-large.jpg');
+
+const server = http2.createServer({
+  maxSessionMemory: 1000
+});
+let streamCount = 0;
+server.on('stream', (stream, headers) => {
+  stream.respond({
+    'content-type': 'image/jpeg',
+    ':status': 200
+  });
+  stream.end(content);
+  console.log('server sends content', ++streamCount);
+});
+
+server.listen(0, common.mustCall(() => {
+  const client = http2.connect(`http://localhost:${server.address().port}/`);
+
+  let endCount = 0;
+  let finished = 0;
+  for (let i = 0; i < 100; i++) {
+    const req = client.request({ ':path': '/' }).end();
+    const chunks = [];
+    req.on('data', (chunk) => {
+      chunks.push(chunk);
+    });
+    req.on('end', common.mustCall(() => {
+      console.log('client receives content', ++endCount);
+      assert.deepStrictEqual(Buffer.concat(chunks), content);
+
+      if (++finished === 100) {
+        client.close();
+        server.close();
+      }
+    }));
+    req.on('error', (e) => {
+      console.log('client error', e);
+    });
+  }
+}));
diff --git a/test/js/node/test/parallel/test-http2-server-close-callback.js b/test/js/node/test/parallel/test-http2-server-close-callback.js
new file mode 100644
index 00000000000000..e4cd24ce209782
--- /dev/null
+++ b/test/js/node/test/parallel/test-http2-server-close-callback.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const common = require('../common');
+if (!common.hasCrypto)
+  common.skip('missing crypto');
+
+const Countdown = require('../common/countdown');
+const http2 = require('http2');
+
+const server = http2.createServer();
+
+let session;
+
+const countdown = new Countdown(2, () => {
+  server.close(common.mustSucceed());
+  session.close();
+});
+
+server.listen(0, common.mustCall(() => {
+  const client = http2.connect(`http://localhost:${server.address().port}`);
+  client.on('connect', common.mustCall(() => countdown.dec()));
+}));
+
+server.on('session', common.mustCall((s) => {
+  session = s;
+  countdown.dec();
+}));
diff --git a/test/js/node/test/parallel/test-https-server-connections-checking-leak.js b/test/js/node/test/parallel/test-https-server-connections-checking-leak.js
new file mode 100644
index 00000000000000..e920c8e403705f
--- /dev/null
+++ b/test/js/node/test/parallel/test-https-server-connections-checking-leak.js
@@ -0,0 +1,29 @@
+'use strict';
+
+// Flags: --expose-gc
+
+// Check that creating a server without listening does not leak resources.
+
+const common = require('../common');
+
+if (!common.hasCrypto) {
+  common.skip('missing crypto');
+}
+
+const { onGC } = require('../common/gc');
+const Countdown = require('../common/countdown');
+
+const https = require('https');
+const max = 100;
+
+// Note that Countdown internally calls common.mustCall, that's why it's not done here.
+const countdown = new Countdown(max, () => {});
+
+for (let i = 0; i < max; i++) {
+  const server = https.createServer((req, res) => {});
+  onGC(server, { ongc: countdown.dec.bind(countdown) });
+}
+
+setImmediate(() => {
+  global.gc();
+});
diff --git a/test/js/node/test/parallel/test-net-server-close.js b/test/js/node/test/parallel/test-net-server-close.js
new file mode 100644
index 00000000000000..8291f70432ec97
--- /dev/null
+++ b/test/js/node/test/parallel/test-net-server-close.js
@@ -0,0 +1,45 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const net = require('net');
+
+const sockets = [];
+
+const server = net.createServer(function(c) {
+  c.on('close', common.mustCall());
+
+  sockets.push(c);
+
+  if (sockets.length === 2) {
+    assert.strictEqual(server.close(), server);
+    sockets.forEach((c) => c.destroy());
+  }
+});
+
+server.on('close', common.mustCall());
+
+assert.strictEqual(server, server.listen(0, () => {
+  net.createConnection(server.address().port);
+  net.createConnection(server.address().port);
+}));
diff --git a/test/js/node/test/parallel/test-net-sync-cork.js b/test/js/node/test/parallel/test-net-sync-cork.js
new file mode 100644
index 00000000000000..447f42ca91e768
--- /dev/null
+++ b/test/js/node/test/parallel/test-net-sync-cork.js
@@ -0,0 +1,33 @@
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+const net = require('net');
+
+const server = net.createServer(handle);
+
+const N = 100;
+const buf = Buffer.alloc(2, 'a');
+
+server.listen(0, function() {
+  const conn = net.connect(this.address().port);
+
+  conn.on('connect', () => {
+    let res = true;
+    let i = 0;
+    for (; i < N && res; i++) {
+      conn.cork();
+      conn.write(buf);
+      res = conn.write(buf);
+      conn.uncork();
+    }
+    assert.strictEqual(i, N);
+    conn.end();
+  });
+});
+
+function handle(socket) {
+  socket.resume();
+  socket.on('error', common.mustNotCall())
+        .on('close', common.mustCall(() => server.close()));
+}
diff --git a/test/js/node/test/parallel/test-primitive-timer-leak.js b/test/js/node/test/parallel/test-primitive-timer-leak.js
new file mode 100644
index 00000000000000..d590a0347b9cac
--- /dev/null
+++ b/test/js/node/test/parallel/test-primitive-timer-leak.js
@@ -0,0 +1,23 @@
+'use strict';
+// Flags: --expose-gc
+require('../common');
+const { onGC } = require('../common/gc');
+
+// See https://github.com/nodejs/node/issues/53335
+const poller = setInterval(() => {
+  global.gc();
+}, 100);
+
+let count = 0;
+
+for (let i = 0; i < 10; i++) {
+  const timer = setTimeout(() => {}, 0);
+  onGC(timer, {
+    ongc: () => {
+      if (++count === 10) {
+        clearInterval(poller);
+      }
+    }
+  });
+  console.log(+timer);
+}
diff --git a/test/js/node/test/parallel/test-stdio-pipe-access.js b/test/js/node/test/parallel/test-stdio-pipe-access.js
new file mode 100644
index 00000000000000..ac0e22c399a1b9
--- /dev/null
+++ b/test/js/node/test/parallel/test-stdio-pipe-access.js
@@ -0,0 +1,38 @@
+'use strict';
+const common = require('../common');
+if (!common.isMainThread)
+  common.skip("Workers don't have process-like stdio");
+
+// Test if Node handles accessing process.stdin if it is a redirected
+// pipe without deadlocking
+const { spawn, spawnSync } = require('child_process');
+
+const numTries = 5;
+const who = process.argv.length <= 2 ? 'runner' : process.argv[2];
+
+switch (who) {
+  case 'runner':
+    for (let num = 0; num < numTries; ++num) {
+      spawnSync(process.argv0,
+                [process.argv[1], 'parent'],
+                { 'stdio': 'inherit' });
+    }
+    break;
+  case 'parent': {
+    const middle = spawn(process.argv0,
+                         [process.argv[1], 'middle'],
+                         { 'stdio': 'pipe' });
+    middle.stdout.on('data', () => {});
+    break;
+  }
+  case 'middle':
+    spawn(process.argv0,
+          [process.argv[1], 'bottom'],
+          { 'stdio': [ process.stdin,
+                       process.stdout,
+                       process.stderr ] });
+    break;
+  case 'bottom':
+    process.stdin; // eslint-disable-line no-unused-expressions
+    break;
+}
diff --git a/test/js/node/test/parallel/test-timers-immediate-queue.js b/test/js/node/test/parallel/test-timers-immediate-queue.js
new file mode 100644
index 00000000000000..8b433ddedbf416
--- /dev/null
+++ b/test/js/node/test/parallel/test-timers-immediate-queue.js
@@ -0,0 +1,56 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+require('../common');
+const assert = require('assert');
+
+// setImmediate should run clear its queued cbs once per event loop turn
+// but immediates queued while processing the current queue should happen
+// on the next turn of the event loop.
+
+// hit should be the exact same size of QUEUE, if we're letting things
+// recursively add to the immediate QUEUE hit will be > QUEUE
+
+let ticked = false;
+
+let hit = 0;
+const QUEUE = 10;
+
+function run() {
+  if (hit === 0) {
+    setTimeout(() => { ticked = true; }, 1);
+    const now = Date.now();
+    while (Date.now() - now < 2);
+  }
+
+  if (ticked) return;
+
+  hit += 1;
+  setImmediate(run);
+}
+
+for (let i = 0; i < QUEUE; i++)
+  setImmediate(run);
+
+process.on('exit', function() {
+  assert.strictEqual(hit, QUEUE);
+});
diff --git a/test/js/node/test/parallel/test-tls-connect-address-family.js b/test/js/node/test/parallel/test-tls-connect-address-family.js
new file mode 100644
index 00000000000000..083208cc1d3ab0
--- /dev/null
+++ b/test/js/node/test/parallel/test-tls-connect-address-family.js
@@ -0,0 +1,49 @@
+'use strict';
+const common = require('../common');
+if (!common.hasCrypto)
+  common.skip('missing crypto');
+
+if (!common.hasIPv6)
+  common.skip('no IPv6 support');
+
+const assert = require('assert');
+const fixtures = require('../common/fixtures');
+const tls = require('tls');
+const dns = require('dns');
+
+function runTest() {
+  tls.createServer({
+    cert: fixtures.readKey('agent1-cert.pem'),
+    key: fixtures.readKey('agent1-key.pem'),
+  }).on('connection', common.mustCall(function() {
+    this.close();
+  })).listen(0, '::1', common.mustCall(function() {
+    const options = {
+      host: 'localhost',
+      port: this.address().port,
+      family: 6,
+      rejectUnauthorized: false,
+    };
+    // Will fail with ECONNREFUSED if the address family is not honored.
+    tls.connect(options).once('secureConnect', common.mustCall(function() {
+      assert.strictEqual(this.remoteAddress, '::1');
+      this.destroy();
+    }));
+  }));
+}
+
+dns.lookup('localhost', {
+  family: 6, all: true
+}, common.mustCall((err, addresses) => {
+  if (err) {
+    if (err.code === 'ENOTFOUND' || err.code === 'EAI_AGAIN')
+      common.skip('localhost does not resolve to ::1');
+
+    throw err;
+  }
+
+  if (addresses.some((val) => val.address === '::1'))
+    runTest();
+  else
+    common.skip('localhost does not resolve to ::1');
+}));
diff --git a/test/js/node/test/parallel/test-tls-wrap-econnreset-socket.js b/test/js/node/test/parallel/test-tls-wrap-econnreset-socket.js
new file mode 100644
index 00000000000000..ec305b785e0545
--- /dev/null
+++ b/test/js/node/test/parallel/test-tls-wrap-econnreset-socket.js
@@ -0,0 +1,34 @@
+'use strict';
+
+const common = require('../common');
+if (!common.hasCrypto)
+  common.skip('missing crypto');
+
+const assert = require('assert');
+const net = require('net');
+const tls = require('tls');
+
+const server = net.createServer((c) => {
+  c.end();
+}).listen(common.mustCall(() => {
+  const port = server.address().port;
+
+  const socket = new net.Socket();
+
+  let errored = false;
+  tls.connect({ socket })
+    .once('error', common.mustCall((e) => {
+      assert.strictEqual(e.code, 'ECONNRESET');
+      assert.strictEqual(e.path, undefined);
+      assert.strictEqual(e.host, undefined);
+      assert.strictEqual(e.port, undefined);
+      assert.strictEqual(e.localAddress, undefined);
+      errored = true;
+      server.close();
+    }))
+    .on('close', common.mustCall(() => {
+      assert.strictEqual(errored, true);
+    }));
+
+  socket.connect(port);
+}));
diff --git a/test/js/node/test/parallel/test-ttywrap-stack.js b/test/js/node/test/parallel/test-ttywrap-stack.js
new file mode 100644
index 00000000000000..6fa85a338f1129
--- /dev/null
+++ b/test/js/node/test/parallel/test-ttywrap-stack.js
@@ -0,0 +1,20 @@
+'use strict';
+const common = require('../common');
+
+// This test ensures that console.log
+// will not crash the process if there
+// is not enough space on the V8 stack
+
+const done = common.mustCall();
+
+async function test() {
+  await test();
+}
+
+(async () => {
+  try {
+    await test();
+  } catch (err) {
+    console.log(err);
+  }
+})().then(done, done);
diff --git a/test/js/node/test/parallel/test-worker-message-port-wasm-threads.js b/test/js/node/test/parallel/test-worker-message-port-wasm-threads.js
new file mode 100644
index 00000000000000..fe70261fd7b2eb
--- /dev/null
+++ b/test/js/node/test/parallel/test-worker-message-port-wasm-threads.js
@@ -0,0 +1,53 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const { MessageChannel, Worker } = require('worker_threads');
+
+// Test that SharedArrayBuffer instances created from WASM are transferable
+// through MessageChannels (without crashing).
+
+const fixtures = require('../common/fixtures');
+const wasmSource = fixtures.readSync('shared-memory.wasm');
+const wasmModule = new WebAssembly.Module(wasmSource);
+const instance = new WebAssembly.Instance(wasmModule);
+
+const { buffer } = instance.exports.memory;
+assert(buffer instanceof SharedArrayBuffer);
+
+{
+  const { port1, port2 } = new MessageChannel();
+  port1.postMessage(buffer);
+  port2.once('message', common.mustCall((buffer2) => {
+    // Make sure serialized + deserialized buffer refer to the same memory.
+    const expected = 'Hello, world!';
+    const bytes = Buffer.from(buffer).write(expected);
+    const deserialized = Buffer.from(buffer2).toString('utf8', 0, bytes);
+    assert.deepStrictEqual(deserialized, expected);
+  }));
+}
+
+{
+  // Make sure we can free WASM memory originating from a thread that already
+  // stopped when we exit.
+  const worker = new Worker(`
+  const { parentPort } = require('worker_threads');
+
+  // Compile the same WASM module from its source bytes.
+  const wasmSource = new Uint8Array([${wasmSource.join(',')}]);
+  const wasmModule = new WebAssembly.Module(wasmSource);
+  const instance = new WebAssembly.Instance(wasmModule);
+  parentPort.postMessage(instance.exports.memory);
+
+  // Do the same thing, except we receive the WASM module via transfer.
+  parentPort.once('message', ({ wasmModule }) => {
+    const instance = new WebAssembly.Instance(wasmModule);
+    parentPort.postMessage(instance.exports.memory);
+  });
+  `, { eval: true });
+  worker.on('message', common.mustCall(({ buffer }) => {
+    assert(buffer instanceof SharedArrayBuffer);
+    worker.buf = buffer; // Basically just keep the reference to buffer alive.
+  }, 2));
+  worker.once('exit', common.mustCall());
+  worker.postMessage({ wasmModule });
+}
diff --git a/test/js/node/test/parallel/test-worker-process-exit-async-module.js b/test/js/node/test/parallel/test-worker-process-exit-async-module.js
new file mode 100644
index 00000000000000..38d4ad74c7bd85
--- /dev/null
+++ b/test/js/node/test/parallel/test-worker-process-exit-async-module.js
@@ -0,0 +1,11 @@
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+const { Worker } = require('worker_threads');
+
+// Regression for https://github.com/nodejs/node/issues/43182.
+const w = new Worker(new URL('data:text/javascript,process.exit(1);await new Promise(()=>{ process.exit(2); })'));
+w.on('exit', common.mustCall((code) => {
+  assert.strictEqual(code, 1);
+}));