From 30dd6c2ed0f97a671dc6d5ae328c3cb41b4f7bc1 Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Sat, 26 Sep 2026 14:20:22 +0200
Subject: [PATCH 1/9] test: deflake inspector network fetch

A Windows socket bound to 127.0.0.1 can accept connections intended for
another process's wildcard listener on the same port. A competing
inspector can then answer the HTTP request with 400 or send plaintext
to the HTTPS client.

Bind both fixture servers to the address used by their requests to
prevent the competing bind. Bypass environment proxies so local HTTP
and HTTPS requests reach the fixture servers directly, and remove the
Windows flaky expectation.

Fixes: https://github.com/nodejs/node/issues/59090
Signed-off-by: Filip Skokan <panva.ip@gmail.com>
Assisted-by: Claude, Codex
---
 test/parallel/parallel.status                 | 2 --
 test/parallel/test-inspector-network-fetch.js | 9 ++++++---
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/test/parallel/parallel.status b/test/parallel/parallel.status
index b260a86594c1..28c46d503318 100644
--- a/test/parallel/parallel.status
+++ b/test/parallel/parallel.status
@@ -20,8 +20,6 @@ test-fs-read-stream-concurrent-reads: PASS, FLAKY
 test-snapshot-incompatible: SKIP
 
 [$system==win32]
-# https://github.com/nodejs/node/issues/59090
-test-inspector-network-fetch: PASS, FLAKY
 # https://github.com/nodejs/node/issues/59636
 test-fs-cp-sync-symlink-points-to-dest-error: SKIP
 test-fs-cp-async-symlink-points-to-dest: SKIP
diff --git a/test/parallel/test-inspector-network-fetch.js b/test/parallel/test-inspector-network-fetch.js
index 790446c84bfb..a637d3495466 100644
--- a/test/parallel/test-inspector-network-fetch.js
+++ b/test/parallel/test-inspector-network-fetch.js
@@ -12,9 +12,10 @@ const http = require('node:http');
 const https = require('node:https');
 const inspector = require('node:inspector/promises');
 
-// Disable certificate validation for the global fetch.
+// Keep local requests independent of proxy settings and allow the test certificate.
 const undici = require('internal/deps/undici/undici');
 undici.setGlobalDispatcher(new undici.EnvHttpProxyAgent({
+  noProxy: '*',
   connect: {
     rejectUnauthorized: false,
   },
@@ -205,8 +206,10 @@ const testNetworkInspection = async () => {
   session.removeAllListeners();
 };
 
-httpServer.listen(0, () => {
-  httpsServer.listen(0, async () => {
+// Listen on the address the requests go to, so that a socket another process
+// binds to 127.0.0.1 on the same port cannot take the connections over.
+httpServer.listen(0, '127.0.0.1', () => {
+  httpsServer.listen(0, '127.0.0.1', async () => {
     try {
       await session.post('Network.enable');
       await testNetworkInspection();

From c81cdc3a8c661c0dabab1a16775e4389405480fe Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Sat, 26 Sep 2026 14:20:22 +0200
Subject: [PATCH 2/9] test: deflake debugger PID attachment and cleanup

Wait for the target to finish starting before attaching the debugger.
Capture the CLI close event when it is spawned so quit() also completes
after an early exit, and terminate the target before awaiting cleanup.
Add a regression test for quitting an already exited CLI and remove the
Windows flaky entry.

Refs: https://github.com/nodejs/node/issues/63212
Signed-off-by: Filip Skokan <panva.ip@gmail.com>
Assisted-by: Codex
---
 test/common/debugger.js                          |  8 ++++----
 test/fixtures/debugger/alive.js                  |  2 ++
 test/sequential/sequential.status                |  2 --
 test/sequential/test-debugger-pid.js             |  9 +++++++--
 test/sequential/test-debugger-quit-after-exit.js | 12 ++++++++++++
 5 files changed, 25 insertions(+), 8 deletions(-)
 create mode 100644 test/sequential/test-debugger-quit-after-exit.js

diff --git a/test/common/debugger.js b/test/common/debugger.js
index dbaa62e71d3f..73a34a767763 100644
--- a/test/common/debugger.js
+++ b/test/common/debugger.js
@@ -27,6 +27,8 @@ function startCLI(args, flags = [], spawnOpts = {}, opts = { randomPort: true })
     ...args,
   ], spawnOpts);
 
+  const closed = new Promise((resolve) => child.once('close', resolve));
+
   const outputBuffer = [];
   function bufferOutput(chunk) {
     if (this === child.stderr) {
@@ -180,10 +182,8 @@ function startCLI(args, flags = [], spawnOpts = {}, opts = { randomPort: true })
     },
 
     quit() {
-      return new Promise((resolve) => {
-        child.stdin.end();
-        child.on('close', resolve);
-      });
+      child.stdin.end();
+      return closed;
     },
   };
 }
diff --git a/test/fixtures/debugger/alive.js b/test/fixtures/debugger/alive.js
index c8ad157b452d..0b06798508a7 100644
--- a/test/fixtures/debugger/alive.js
+++ b/test/fixtures/debugger/alive.js
@@ -3,3 +3,5 @@ function heartbeat() {
   ++x;
 }
 setInterval(heartbeat, 50);
+
+if (process.send) process.send('ready');
diff --git a/test/sequential/sequential.status b/test/sequential/sequential.status
index 4111eb2b8ecf..7127a991bfa8 100644
--- a/test/sequential/sequential.status
+++ b/test/sequential/sequential.status
@@ -11,8 +11,6 @@ test-cpu-prof-dir-worker: PASS, FLAKY
 test-http2-large-file: PASS, FLAKY
 
 [$system==win32]
-# https://github.com/nodejs/node/issues/63212#issuecomment-5423558796
-test-debugger-pid: PASS, FLAKY
 
 [$system==linux]
 # https://github.com/nodejs/node/issues/54817
diff --git a/test/sequential/test-debugger-pid.js b/test/sequential/test-debugger-pid.js
index 97218b796cae..f05f968e4601 100644
--- a/test/sequential/test-debugger-pid.js
+++ b/test/sequential/test-debugger-pid.js
@@ -8,11 +8,15 @@ const startCLI = require('../common/debugger');
 
 const assert = require('assert');
 const { spawn } = require('child_process');
+const { once } = require('events');
 
 const script = fixtures.path('debugger', 'alive.js');
 
 (async () => {
-  const target = spawn(process.execPath, [script]);
+  const target = spawn(process.execPath, [script], {
+    stdio: ['ignore', 'pipe', 'pipe', 'ipc'],
+  });
+  await once(target, 'message');
   const cli = startCLI(['-p', `${target.pid}`], [], {}, { randomPort: false });
 
   try {
@@ -25,7 +29,8 @@ const script = fixtures.path('debugger', 'alive.js');
       /> 3 {3}\+\+x;/,
       'marks the 3rd line');
   } finally {
-    await cli.quit();
+    const targetClosed = once(target, 'close');
     target.kill();
+    await Promise.all([cli.quit(), targetClosed]);
   }
 })().then(common.mustCall());
diff --git a/test/sequential/test-debugger-quit-after-exit.js b/test/sequential/test-debugger-quit-after-exit.js
new file mode 100644
index 000000000000..7e02175435bd
--- /dev/null
+++ b/test/sequential/test-debugger-quit-after-exit.js
@@ -0,0 +1,12 @@
+'use strict';
+const common = require('../common');
+common.skipIfInspectorDisabled();
+
+const assert = require('assert');
+const startCLI = require('../common/debugger');
+
+(async () => {
+  const cli = startCLI(['--help'], [], {}, { randomPort: false });
+  await assert.rejects(cli.waitForPrompt(), /Child exited while waiting/);
+  await cli.quit();
+})().then(common.mustCall());

From 924f8bd9fdbe675b9e191bb456e9b2f7301d4c17 Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Sat, 26 Sep 2026 11:19:12 +0200
Subject: [PATCH 3/9] test: deflake inspector close connection test

Wait for NodeRuntime.waitingForDebugger before sending the resume
command. Runtime.executionContextCreated does not guarantee that the
child has started waiting for the debugger.

Refs: https://github.com/nodejs/node/actions/runs/36224832165/job/108356717128
Signed-off-by: Filip Skokan <panva.ip@gmail.com>
Assisted-by: Codex
---
 test/parallel/test-inspector-close-terminate-connections.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/parallel/test-inspector-close-terminate-connections.js b/test/parallel/test-inspector-close-terminate-connections.js
index ab18ad277dbb..e055044506b6 100644
--- a/test/parallel/test-inspector-close-terminate-connections.js
+++ b/test/parallel/test-inspector-close-terminate-connections.js
@@ -18,9 +18,9 @@ async function test() {
   const instance = new NodeInstance(['--inspect-brk=0'], script);
   const session = await instance.connectInspectorSession();
 
-  // Enable Runtime domain and wait for an event to confirm the session is live.
-  await session.send({ method: 'Runtime.enable' });
-  await session.waitForNotification('Runtime.executionContextCreated');
+  // Wait until the child is ready to receive the resume command.
+  await session.send({ method: 'NodeRuntime.enable' });
+  await session.waitForNotification('NodeRuntime.waitingForDebugger');
 
   // Resume execution so the script calls inspector.close().
   await session.send({ method: 'Runtime.runIfWaitingForDebugger' });

From d494ccbec9a007a96978c786decfff042c6b6986 Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Sat, 26 Sep 2026 12:15:30 +0200
Subject: [PATCH 4/9] test: deflake http server mixed request timeouts

Await client end events before checking completed responses instead of
asserting completion at fixed deadlines. Keep the pending-request checks
and verify that the headers-only request expires before the later
successful request completes.

Refs: https://github.com/nodejs/node/issues/54817
Refs: https://github.com/nodejs/node/issues/43465
Signed-off-by: Filip Skokan <panva.ip@gmail.com>
Assisted-by: Claude, Codex
---
 test/sequential/sequential.status             |  5 ---
 ...test-http-server-request-timeouts-mixed.js | 41 ++++++++++---------
 2 files changed, 22 insertions(+), 24 deletions(-)

diff --git a/test/sequential/sequential.status b/test/sequential/sequential.status
index 7127a991bfa8..f155b6747333 100644
--- a/test/sequential/sequential.status
+++ b/test/sequential/sequential.status
@@ -13,14 +13,9 @@ test-http2-large-file: PASS, FLAKY
 [$system==win32]
 
 [$system==linux]
-# https://github.com/nodejs/node/issues/54817
-test-http-server-request-timeouts-mixed: PASS, FLAKY
 
 [$system==macos]
 
-# https://github.com/nodejs/node/issues/43465
-test-http-server-request-timeouts-mixed: PASS, FLAKY
-
 [$system==solaris] # Also applies to SmartOS
 test-worker-prof: PASS, FLAKY
 
diff --git a/test/sequential/test-http-server-request-timeouts-mixed.js b/test/sequential/test-http-server-request-timeouts-mixed.js
index 034aa3630bbf..8e79cf6c9316 100644
--- a/test/sequential/test-http-server-request-timeouts-mixed.js
+++ b/test/sequential/test-http-server-request-timeouts-mixed.js
@@ -2,6 +2,7 @@
 
 const common = require('../common');
 const assert = require('assert');
+const { once } = require('events');
 const { createServer } = require('http');
 const { connect } = require('net');
 
@@ -70,7 +71,7 @@ server.listen(0, common.mustCall(() => {
   request1.client.write(requestBodyPart1);
 
   // After a little while send two new requests
-  setTimeout(() => {
+  setTimeout(common.mustCall(() => {
     request2 = createClient(server);
     request3 = createClient(server);
 
@@ -79,7 +80,17 @@ server.listen(0, common.mustCall(() => {
 
     // Send the third request and stop in the middle of the headers
     request3.client.write(requestBodyPart1);
-  }, headersTimeout * 0.2);
+
+    request2.client.on('end', common.mustCall(() => {
+      // The second request times out due to headersTimeout, so after the first
+      // request has been completed and before the fourth request's body is sent
+      assert(request1.completed);
+      assert(!request4.completed);
+
+      assert(request1.response.startsWith(responseOk));
+      assert(request2.response.startsWith(responseTimeout)); // It is expired due to headersTimeout
+    }));
+  }), headersTimeout * 0.2);
 
   // After another little while send the last two new requests
   setTimeout(() => {
@@ -103,31 +114,23 @@ server.listen(0, common.mustCall(() => {
   }, headersTimeout * 0.8);
 
   setTimeout(common.mustCall(() => {
-    // After the first timeout, the first request should have been completed and second timedout
-    assert(request1.completed);
-    assert(request2.completed);
+    // After the first timeout, the requests with completed headers should still be pending
     assert(!request3.completed);
     assert(!request4.completed);
     assert(!request5.completed);
 
-    assert(request1.response.startsWith(responseOk));
-    assert(request2.response.startsWith(responseTimeout)); // It is expired due to headersTimeout
+    const pending = [request3, request4, request5];
+    Promise.all(pending.map(({ client }) => once(client, 'end'))).then(common.mustCall(() => {
+      // All request should be completed now, either with 200 or 408
+      assert(request3.response.startsWith(responseTimeout)); // It is expired due to requestTimeout
+      assert(request4.response.startsWith(responseOk));
+      assert(request5.response.startsWith(responseTimeout)); // It is expired due to requestTimeout
+      server.close();
+    }));
   }), headersTimeout * 1.4);
 
   setTimeout(() => {
     // Complete the body for the fourth request
     request4.client.write(requestBodyPart3);
   }, headersTimeout * 1.5);
-
-  setTimeout(common.mustCall(() => {
-    // All request should be completed now, either with 200 or 408
-    assert(request3.completed);
-    assert(request4.completed);
-    assert(request5.completed);
-
-    assert(request3.response.startsWith(responseTimeout)); // It is expired due to requestTimeout
-    assert(request4.response.startsWith(responseOk));
-    assert(request5.response.startsWith(responseTimeout)); // It is expired due to requestTimeout
-    server.close();
-  }), headersTimeout * 3 + connectionsCheckingInterval);
 }));

From 9737126f91b648b5385c536f62d031a2944229f2 Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Sat, 26 Sep 2026 12:35:43 +0200
Subject: [PATCH 5/9] test: deflake http headers timeout keepalive

The second request in the headers-timeout test could finish its headers
before the next periodic timeout check ran. Leave it incomplete across
multiple checking intervals before sending the remaining headers.

Remove both macOS keepalive flaky expectations. c3aa86d6784 already
extended the request-timeout test's margin to allow multiple checks.

Refs: https://github.com/nodejs/node/issues/42741
Signed-off-by: Filip Skokan <panva.ip@gmail.com>
Assisted-by: Claude, Codex
---
 test/parallel/parallel.status                               | 3 ---
 test/parallel/test-http-server-headers-timeout-keepalive.js | 2 +-
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/test/parallel/parallel.status b/test/parallel/parallel.status
index 28c46d503318..b561175618d8 100644
--- a/test/parallel/parallel.status
+++ b/test/parallel/parallel.status
@@ -34,9 +34,6 @@ test-performance-function: PASS, FLAKY
 test-esm-loader-hooks-inspect-wait: PASS, FLAKY
 
 [$system==macos]
-# https://github.com/nodejs/node/issues/42741
-test-http-server-headers-timeout-keepalive: PASS,FLAKY
-test-http-server-request-timeout-keepalive: PASS,FLAKY
 # https://github.com/nodejs/node/issues/60050
 test-cluster-dgram-1: SKIP
 
diff --git a/test/parallel/test-http-server-headers-timeout-keepalive.js b/test/parallel/test-http-server-headers-timeout-keepalive.js
index 493c730cb7a9..1a9d060c9ff3 100644
--- a/test/parallel/test-http-server-headers-timeout-keepalive.js
+++ b/test/parallel/test-http-server-headers-timeout-keepalive.js
@@ -70,7 +70,7 @@ server.listen(0, common.mustCall(() => {
         performRequestWithDelay(
           client,
           headersTimeout / 5,
-          headersTimeout,
+          headersTimeout * 2,
           true
         );
       }, defer).unref();

From ba3fc1b628e6e83c558baefa224e517395c844be Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Sat, 26 Sep 2026 13:02:20 +0200
Subject: [PATCH 6/9] test: deflake esm loader http imports

Keep idle server connections open until the client closes them. This
avoids reusing a keep-alive socket the server closed while the loader
thread was stalled.

Refs: https://github.com/nodejs/node/issues/47836
Signed-off-by: Filip Skokan <panva.ip@gmail.com>
Assisted-by: Claude, Codex
---
 test/es-module/es-module.status                 | 4 ----
 test/es-module/test-esm-loader-http-imports.mjs | 4 +++-
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/test/es-module/es-module.status b/test/es-module/es-module.status
index 376b9cdeb07b..2e18fb7c96a1 100644
--- a/test/es-module/es-module.status
+++ b/test/es-module/es-module.status
@@ -6,10 +6,6 @@ prefix es-module
 
 [true] # This section applies to all platforms
 
-[$system==linux || $system==freebsd]
-# https://github.com/nodejs/node/issues/47836
-test-esm-loader-http-imports: PASS,FLAKY
-
 [$arch==arm || $arch==arm64]
 # https://github.com/nodejs/node/issues/47297
 test-wasm-web-api: SKIP
diff --git a/test/es-module/test-esm-loader-http-imports.mjs b/test/es-module/test-esm-loader-http-imports.mjs
index 07e84eddd861..96bfffe5b13f 100644
--- a/test/es-module/test-esm-loader-http-imports.mjs
+++ b/test/es-module/test-esm-loader-http-imports.mjs
@@ -34,7 +34,9 @@ const requestListener = ({ url }, rsp) => {
     .end();
 };
 
-const server = http.createServer(requestListener);
+// Leave closing idle connections to the client, so that the loader never
+// reuses a keep-alive socket the server has just closed.
+const server = http.createServer({ keepAliveTimeout: 0 }, requestListener);
 
 await promisify(server.listen.bind(server))({
   host: '127.0.0.1',

From 26b5ef823f949574796a846ccc97bcd1c0e7d1bd Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Sat, 26 Sep 2026 15:06:53 +0200
Subject: [PATCH 7/9] test: deflake watch cwd with isolation none

Windows directory watchers report last-access time updates. Reading cold
fixtures in the child can therefore trigger test:watch:restarted before
it exits, failing the mustNotCall assertion without printing the error.

Read the fixtures before starting watch mode and remove the Windows
flaky expectation. With old access times and a delayed child exit, the
original fails 10/10 runs and the change passes 100/100 on Windows.

Also remove the argv variant's stale flaky expectation. It passes
repeated local Windows runs and the inspected CI history after #66035.

Refs: https://github.com/nodejs/node/issues/66056
Refs: https://github.com/nodejs/node/pull/66035
Signed-off-by: Filip Skokan <panva.ip@gmail.com>
Assisted-by: Codex
---
 test/test-runner/test-run-watch-cwd-isolation-none.mjs | 8 +++++++-
 test/test-runner/test-runner.status                    | 5 -----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/test/test-runner/test-run-watch-cwd-isolation-none.mjs b/test/test-runner/test-run-watch-cwd-isolation-none.mjs
index bbb1a141a4b4..c3d32883781a 100644
--- a/test/test-runner/test-run-watch-cwd-isolation-none.mjs
+++ b/test/test-runner/test-run-watch-cwd-isolation-none.mjs
@@ -1,14 +1,20 @@
 // Test run({ watch: true, cwd, isolation: 'none' }) runs with different cwd while in watch mode and isolation none
 import * as common from '../common/index.mjs';
 import * as fixtures from '../common/fixtures.mjs';
+import { readdir, readFile } from 'node:fs/promises';
 import { run } from 'node:test';
 import { skipIfNoWatch } from '../common/watch.js';
 
 skipIfNoWatch();
 
+// Read the fixtures before watching them. On Windows, their first read can
+// update access times and trigger a restart without changing their contents.
+const cwd = fixtures.path('test-runner-watch');
+await Promise.all((await readdir(cwd)).map((file) => readFile(fixtures.path('test-runner-watch', file))));
+
 const controller = new AbortController();
 const stream = run({
-  cwd: fixtures.path('test-runner-watch'),
+  cwd,
   watch: true,
   signal: controller.signal,
   isolation: 'none',
diff --git a/test/test-runner/test-runner.status b/test/test-runner/test-runner.status
index 7ad99e20a87e..65ae96eb9e37 100644
--- a/test/test-runner/test-runner.status
+++ b/test/test-runner/test-runner.status
@@ -5,8 +5,3 @@ prefix test-runner
 # sample-test                        : PASS,FLAKY
 
 [true] # This section applies to all platforms
-
-[$system==win32]
-# https://github.com/nodejs/node/issues/66056
-test-run-watch-cwd-isolation-none: PASS, FLAKY
-test-run-watch-cwd-isolation-none-argv: PASS, FLAKY

From 138db257a2735eaa2bfbfc3b4c7cc654df496594 Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Sat, 26 Sep 2026 15:37:50 +0200
Subject: [PATCH 8/9] test: probe cluster workers with signal 0

common.isAlive() sends SIGCONT while polling exiting workers. On Linux,
this can discard a pending SIGSTOP from LeakSanitizer's ptrace attach,
leaving its thread-suspension loop waiting indefinitely.

Use signal 0 to check existence without changing the process state.
This also makes the liveness check work on Windows, where SIGCONT is
unsupported. Treat only ESRCH as a dead process and propagate other
errors. Remove the ASan flaky expectation.

Refs: https://github.com/nodejs/node/issues/39655
Signed-off-by: Filip Skokan <panva.ip@gmail.com>
Assisted-by: Claude, Codex
---
 test/parallel/parallel.status               |  4 ----
 test/parallel/test-cluster-primary-error.js | 14 +++++++++++++-
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/test/parallel/parallel.status b/test/parallel/parallel.status
index b561175618d8..f02c0dc68313 100644
--- a/test/parallel/parallel.status
+++ b/test/parallel/parallel.status
@@ -136,10 +136,6 @@ test-tls-set-default-ca-certificates-append-fetch: SKIP
 test-tls-set-default-ca-certificates-reset-fetch: SKIP
 test-inspector-invalid-protocol: SKIP
 
-[$asan==on]
-# https://github.com/nodejs/node/issues/39655
-test-cluster-primary-error: PASS, FLAKY
-
 [$arch==loong64]
 # https://github.com/nodejs/node/issues/51662
 test-http-correct-hostname: SKIP
diff --git a/test/parallel/test-cluster-primary-error.js b/test/parallel/test-cluster-primary-error.js
index 232de51f29fb..f9ebdc4c85d1 100644
--- a/test/parallel/test-cluster-primary-error.js
+++ b/test/parallel/test-cluster-primary-error.js
@@ -88,12 +88,24 @@ if (cluster.isWorker) {
     // Check that the cluster died accidentally (non-zero exit code)
     assert.strictEqual(code, 1);
 
+    // Probe with signal 0. common.isAlive() sends SIGCONT, which discards the
+    // pending SIGSTOP that LeakSanitizer's exit-time stop-the-world waits for
+    // under ASan on Linux, leaving the exiting worker hung forever.
+    const isAlive = (pid) => {
+      try {
+        return process.kill(pid, 0);
+      } catch (err) {
+        if (err.code !== 'ESRCH') throw err;
+        return false;
+      }
+    };
+
     // XXX(addaleax): The fact that this uses raw PIDs makes the test inherently
     // flaky – another process might end up being started right after the
     // workers finished and receive the same PID.
     const pollWorkers = () => {
       // When primary is dead all workers should be dead too
-      if (workers.some((pid) => common.isAlive(pid))) {
+      if (workers.some(isAlive)) {
         setTimeout(pollWorkers, 50);
       }
     };

From 11d7658acc3ffaaa6c0915b95b8ebb7c0753c635 Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Sat, 26 Sep 2026 15:37:50 +0200
Subject: [PATCH 9/9] test: isolate styleText tests from the environment

The TTY cases inherit TERM, CI and the color override variables. These
can disable colors in a case expecting styling, or force colors in a
case expecting plain text. The tests skip these cases without a TTY,
which hides the dependency in many standalone runs.

Set a color-capable TERM and only the environment variables specified
by each case. Remove the RISC-V flaky expectations.

Refs: https://github.com/nodejs/build/issues/4099#issuecomment-5070947806
Signed-off-by: Filip Skokan <panva.ip@gmail.com>
Assisted-by: Claude, Codex
---
 test/parallel/parallel.status            | 5 -----
 test/parallel/test-util-styletext-hex.js | 4 +++-
 test/parallel/test-util-styletext.js     | 6 ++++--
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/test/parallel/parallel.status b/test/parallel/parallel.status
index f02c0dc68313..be53eda583b8 100644
--- a/test/parallel/parallel.status
+++ b/test/parallel/parallel.status
@@ -143,8 +143,3 @@ test-http-correct-hostname: SKIP
 [$arch==riscv64]
 # Snapshot test works in some environments but not others for now on RISC-V
 test-snapshot-reproducible: PASS, FLAKY
-# styletext ones are failing in jenkins but pass standalone so something
-# odd is happening to the ttys when run via java. tty issue
-# https://github.com/nodejs/build/issues/4099#issuecomment-5070947806
-test-util-styletext: PASS, FLAKY
-test-util-styletext-hex: PASS, FLAKY
diff --git a/test/parallel/test-util-styletext-hex.js b/test/parallel/test-util-styletext-hex.js
index f12c35a780d6..9677217bd331 100644
--- a/test/parallel/test-util-styletext-hex.js
+++ b/test/parallel/test-util-styletext-hex.js
@@ -213,8 +213,10 @@ describe('util.styleText hex color support', () => {
       for (const testCase of testCases) {
         it(`should respect ${testCase.description}`, () => {
           writeStream.isTTY = testCase.isTTY;
+          // Do not inherit color-related variables (TERM, CI, NO_COLOR, ...)
+          // from the environment the test happens to run in.
           process.env = {
-            ...originalEnv,
+            TERM: 'xterm-256color',
             ...testCase.env,
           };
           const output = util.styleText('#ffcc00', 'test', { stream: writeStream });
diff --git a/test/parallel/test-util-styletext.js b/test/parallel/test-util-styletext.js
index 3db01bec1c3a..ba81aae06d83 100644
--- a/test/parallel/test-util-styletext.js
+++ b/test/parallel/test-util-styletext.js
@@ -203,9 +203,11 @@ if (fd !== -1) {
     { isTTY: true, env: { FORCE_COLOR: '1', NO_COLOR: '1', NODE_DISABLE_COLORS: '1' }, expected: styled },
   ].forEach((testCase) => {
     writeStream.isTTY = testCase.isTTY;
+    // Do not inherit color-related variables (TERM, CI, NO_COLOR, ...) from
+    // the environment the test happens to run in.
     process.env = {
-      ...process.env,
-      ...testCase.env
+      TERM: 'xterm-256color',
+      ...testCase.env,
     };
     {
       const output = util.styleText('red', 'test', { stream: writeStream });