diff --git a/test/parallel/test-crypto-key-store-pkcs11.js b/test/parallel/test-crypto-key-store-pkcs11.js
index 971f4909166..0fec81a9c64 100644
--- a/test/parallel/test-crypto-key-store-pkcs11.js
+++ b/test/parallel/test-crypto-key-store-pkcs11.js
@@ -34,6 +34,7 @@ const {
   verify,
 } = require('crypto');
 const tmpdir = require('../common/tmpdir');
+const { spawnSyncAndExitWithoutError } = require('../common/child_process');
 
 const { subtle } = globalThis.crypto;
 const kData = Buffer.from(
@@ -65,7 +66,7 @@ function softhsmOptions() {
 
 function runInChild() {
   const { cwd, env } = softhsmOptions();
-  const child = spawnSync(process.execPath, [
+  spawnSyncAndExitWithoutError(process.execPath, [
     `--openssl-config=${kOpenSSLConfig}`,
     __filename,
   ], {
@@ -73,7 +74,6 @@ function runInChild() {
     env: { ...process.env, ...env, NODE_TEST_PKCS11_CHILD: '1' },
     stdio: 'inherit',
   });
-  assert.strictEqual(child.status, 0);
 }
 
 function privateKeyUrl(label) {
diff --git a/test/parallel/test-experimental-shared-value-conveyor.js b/test/parallel/test-experimental-shared-value-conveyor.js
index 17eb32c66b1..123e212bd1d 100644
--- a/test/parallel/test-experimental-shared-value-conveyor.js
+++ b/test/parallel/test-experimental-shared-value-conveyor.js
@@ -1,8 +1,8 @@
 'use strict';
 const common = require('../common');
 const assert = require('assert');
-const { spawnSync } = require('child_process');
 const { Worker, parentPort } = require('worker_threads');
+const { spawnSyncAndAssert } = require('../common/child_process');
 
 if (process.env.TEST_CHILD_PROCESS === '1') {
   // Do not use isMainThread so that this test itself can be run inside a Worker.
@@ -29,10 +29,10 @@ if (process.env.TEST_CHILD_PROCESS === '1') {
 
   const args = ['--harmony-struct', __filename];
   const options = { env: { TEST_CHILD_PROCESS: '1', ...process.env } };
-  const child = spawnSync(process.execPath, args, options);
 
-  assert.strictEqual(child.stderr.toString().trim(), '');
-  assert.strictEqual(child.stdout.toString().trim(), '');
-  assert.strictEqual(child.status, 0);
-  assert.strictEqual(child.signal, null);
+  spawnSyncAndAssert(process.execPath, args, options, {
+    stdout: '',
+    stderr: '',
+    trim: true
+  });
 }
diff --git a/test/parallel/test-heap-prof-basic.js b/test/parallel/test-heap-prof-basic.js
index 34d8af9a784..4ddc313ff04 100644
--- a/test/parallel/test-heap-prof-basic.js
+++ b/test/parallel/test-heap-prof-basic.js
@@ -9,7 +9,7 @@ const fixtures = require('../common/fixtures');
 common.skipIfInspectorDisabled();
 
 const assert = require('assert');
-const { spawnSync } = require('child_process');
+const { spawnSyncAndExitWithoutError } = require('../common/child_process');
 
 const tmpdir = require('../common/tmpdir');
 
@@ -20,18 +20,13 @@ const {
 
 {
   tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
+  spawnSyncAndExitWithoutError(process.execPath, [
     '--heap-prof',
     fixtures.path('workload', 'allocation.js'),
   ], {
     cwd: tmpdir.path,
     env
   });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-    console.log(output);
-  }
-  assert.strictEqual(output.status, 0);
   const profiles = getHeapProfiles(tmpdir.path);
   assert.strictEqual(profiles.length, 1);
 }
diff --git a/test/parallel/test-heap-prof-exec-argv.js b/test/parallel/test-heap-prof-exec-argv.js
index 02ad4430dba..186b4d5d631 100644
--- a/test/parallel/test-heap-prof-exec-argv.js
+++ b/test/parallel/test-heap-prof-exec-argv.js
@@ -9,7 +9,7 @@ const fixtures = require('../common/fixtures');
 common.skipIfInspectorDisabled();
 
 const assert = require('assert');
-const { spawnSync } = require('child_process');
+const { spawnSyncAndExitWithoutError } = require('../common/child_process');
 
 const tmpdir = require('../common/tmpdir');
 
@@ -20,7 +20,7 @@ const {
 
 {
   tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
+  const { child: output } = spawnSyncAndExitWithoutError(process.execPath, [
     fixtures.path('workload', 'allocation-worker-argv.js'),
   ], {
     cwd: tmpdir.path,
@@ -29,10 +29,6 @@ const {
       HEAP_PROF_INTERVAL: '128'
     }
   });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-  }
-  assert.strictEqual(output.status, 0);
   const profiles = getHeapProfiles(tmpdir.path);
   assert.strictEqual(profiles.length, 1);
   verifyFrames(output, profiles[0], 'runAllocation');
diff --git a/test/parallel/test-heap-prof-loop-drained.js b/test/parallel/test-heap-prof-loop-drained.js
index d0fc4c98784..d8e07b33cb4 100644
--- a/test/parallel/test-heap-prof-loop-drained.js
+++ b/test/parallel/test-heap-prof-loop-drained.js
@@ -8,7 +8,7 @@ const fixtures = require('../common/fixtures');
 common.skipIfInspectorDisabled();
 
 const assert = require('assert');
-const { spawnSync } = require('child_process');
+const { spawnSyncAndExitWithoutError } = require('../common/child_process');
 
 const tmpdir = require('../common/tmpdir');
 
@@ -21,7 +21,7 @@ const {
 
 {
   tmpdir.refresh();
-  const output = spawnSync(process.execPath, [
+  const { child: output } = spawnSyncAndExitWithoutError(process.execPath, [
     '--heap-prof',
     '--heap-prof-interval',
     kHeapProfInterval,
@@ -30,11 +30,6 @@ const {
     cwd: tmpdir.path,
     env
   });
-  if (output.status !== 0) {
-    console.log(output.stderr.toString());
-    console.log(output);
-  }
-  assert.strictEqual(output.status, 0);
   const profiles = getHeapProfiles(tmpdir.path);
   assert.strictEqual(profiles.length, 1);
   verifyFrames(output, profiles[0], 'runAllocation');
diff --git a/test/parallel/test-inspect-address-in-use.js b/test/parallel/test-inspect-address-in-use.js
index d900fdfb679..bd954e4a7bc 100644
--- a/test/parallel/test-inspect-address-in-use.js
+++ b/test/parallel/test-inspect-address-in-use.js
@@ -2,7 +2,7 @@
 const common = require('../common');
 common.skipIfInspectorDisabled();
 
-const { spawnSync } = require('child_process');
+const { spawnSyncAndExit } = require('../common/child_process');
 const { createServer } = require('http');
 const assert = require('assert');
 const tmpdir = require('../common/tmpdir');
@@ -25,19 +25,18 @@ function testOnServerListen(fn) {
 function testChildProcess(getArgs, exitCode, options) {
   testOnServerListen(common.mustCall((server) => {
     const { port } = server.address();
-    const child = spawnSync(process.execPath, getArgs(port), options);
-    const stderr = child.stderr.toString().trim();
-    const stdout = child.stdout.toString().trim();
-    console.log('[STDERR]');
-    console.log(stderr);
-    console.log('[STDOUT]');
-    console.log(stdout);
-    const match = stderr.match(
-      /Starting inspector on 127\.0\.0\.1:(\d+) failed: address already in use/
-    );
-    assert.notStrictEqual(match, null);
-    assert.strictEqual(match[1], port + '');
-    assert.strictEqual(child.status, exitCode);
+    spawnSyncAndExit(process.execPath, getArgs(port), options, {
+      status: exitCode,
+      signal: null,
+      trim: true,
+      stderr: function(str) {
+        const match = str.match(
+          /Starting inspector on 127\.0\.0\.1:(\d+) failed: address already in use/
+        );
+        assert.notStrictEqual(match, null);
+        assert.strictEqual(match[1], port + '');
+      },
+    });
   }));
 }
 
diff --git a/test/parallel/test-os-homedir-no-envvar.js b/test/parallel/test-os-homedir-no-envvar.js
index 2f9b1b47a70..3a47d6d72c4 100644
--- a/test/parallel/test-os-homedir-no-envvar.js
+++ b/test/parallel/test-os-homedir-no-envvar.js
@@ -1,9 +1,9 @@
 'use strict';
 const common = require('../common');
 const assert = require('assert');
-const cp = require('child_process');
 const os = require('os');
 const path = require('path');
+const { spawnSyncAndExitWithoutError } = require('../common/child_process');
 
 
 if (process.argv[2] === 'child') {
@@ -22,9 +22,7 @@ if (process.argv[2] === 'child') {
   else
     delete process.env.HOME;
 
-  const child = cp.spawnSync(process.execPath, [__filename, 'child'], {
+  spawnSyncAndExitWithoutError(process.execPath, [__filename, 'child'], {
     env: process.env
   });
-
-  assert.strictEqual(child.status, 0);
 }
diff --git a/test/parallel/test-process-execpath.js b/test/parallel/test-process-execpath.js
index 0fce35e2645..53d8f39fbf7 100644
--- a/test/parallel/test-process-execpath.js
+++ b/test/parallel/test-process-execpath.js
@@ -4,7 +4,7 @@ if (common.isWindows)
   common.skip('symlinks are weird on windows');
 
 const assert = require('assert');
-const child_process = require('child_process');
+const { spawnSyncAndAssert } = require('../common/child_process');
 const fs = require('fs');
 
 assert.strictEqual(process.execPath, fs.realpathSync(process.execPath));
@@ -19,8 +19,8 @@ if (process.argv[2] === 'child') {
   const symlinkedNode = tmpdir.resolve('symlinked-node');
   fs.symlinkSync(process.execPath, symlinkedNode);
 
-  const proc = child_process.spawnSync(symlinkedNode, [__filename, 'child']);
-  assert.strictEqual(proc.stderr.toString(), '');
-  assert.strictEqual(proc.stdout.toString(), `${process.execPath}\n`);
-  assert.strictEqual(proc.status, 0);
+  spawnSyncAndAssert(symlinkedNode, [__filename, 'child'], {
+    stdout: `${process.execPath}\n`,
+    stderr: ''
+  });
 }
diff --git a/test/parallel/test-runner-mock-timers-with-timeout.js b/test/parallel/test-runner-mock-timers-with-timeout.js
index 67f266851fe..6d98e6e9479 100644
--- a/test/parallel/test-runner-mock-timers-with-timeout.js
+++ b/test/parallel/test-runner-mock-timers-with-timeout.js
@@ -1,14 +1,12 @@
 'use strict';
 require('../common');
 const fixtures = require('../common/fixtures');
-const assert = require('node:assert');
-const { spawnSync } = require('node:child_process');
+const { spawnSyncAndExitWithoutError } = require('../common/child_process');
 const { test } = require('node:test');
 
 test('mock timers do not break test timeout cleanup', async () => {
   const fixture = fixtures.path('test-runner', 'mock-timers-with-timeout.js');
-  const cp = spawnSync(process.execPath, ['--test', fixture], {
+  spawnSyncAndExitWithoutError(process.execPath, ['--test', fixture], {
     timeout: 30_000,
   });
-  assert.strictEqual(cp.status, 0, `Test failed:\nstdout: ${cp.stdout}\nstderr: ${cp.stderr}`);
 });
diff --git a/test/parallel/test-v8-stop-coverage.js b/test/parallel/test-v8-stop-coverage.js
index e9764d60477..b37f8320abb 100644
--- a/test/parallel/test-v8-stop-coverage.js
+++ b/test/parallel/test-v8-stop-coverage.js
@@ -5,7 +5,7 @@ const fixtures = require('../common/fixtures');
 const tmpdir = require('../common/tmpdir');
 const assert = require('assert');
 const fs = require('fs');
-const { spawnSync } = require('child_process');
+const { spawnSyncAndExitWithoutError } = require('../common/child_process');
 
 common.skipIfInspectorDisabled();
 
@@ -13,7 +13,7 @@ tmpdir.refresh();
 const intervals = 20;
 
 {
-  const output = spawnSync(process.execPath, [
+  const { child } = spawnSyncAndExitWithoutError(process.execPath, [
     '-r',
     fixtures.path('v8-coverage', 'stop-coverage'),
     '-r',
@@ -27,8 +27,7 @@ const intervals = 20;
       TEST_INTERVALS: intervals
     },
   });
-  console.log(output.stderr.toString());
-  assert.strictEqual(output.status, 0);
+  console.log(child.stderr.toString());
   const coverageFiles = fs.readdirSync(tmpdir.path);
   assert.strictEqual(coverageFiles.length, 0);
 }
diff --git a/test/parallel/test-v8-take-coverage-noop.js b/test/parallel/test-v8-take-coverage-noop.js
index 8d49b0f2329..14bb8a2c3a9 100644
--- a/test/parallel/test-v8-take-coverage-noop.js
+++ b/test/parallel/test-v8-take-coverage-noop.js
@@ -5,7 +5,7 @@ const fixtures = require('../common/fixtures');
 const tmpdir = require('../common/tmpdir');
 const assert = require('assert');
 const fs = require('fs');
-const { spawnSync } = require('child_process');
+const { spawnSyncAndExitWithoutError } = require('../common/child_process');
 
 common.skipIfInspectorDisabled();
 
@@ -14,7 +14,7 @@ tmpdir.refresh();
 // v8.takeCoverage() should be a noop if NODE_V8_COVERAGE is not set.
 const intervals = 40;
 {
-  const output = spawnSync(process.execPath, [
+  const { child } = spawnSyncAndExitWithoutError(process.execPath, [
     '-r',
     fixtures.path('v8-coverage', 'take-coverage'),
     fixtures.path('v8-coverage', 'interval'),
@@ -25,8 +25,7 @@ const intervals = 40;
       TEST_INTERVALS: intervals
     },
   });
-  console.log(output.stderr.toString());
-  assert.strictEqual(output.status, 0);
+  console.log(child.stderr.toString());
   const coverageFiles = fs.readdirSync(tmpdir.path);
   assert.strictEqual(coverageFiles.length, 0);
 }
diff --git a/test/parallel/test-v8-take-coverage.js b/test/parallel/test-v8-take-coverage.js
index 6b1fe149e99..2119a30d6ad 100644
--- a/test/parallel/test-v8-take-coverage.js
+++ b/test/parallel/test-v8-take-coverage.js
@@ -5,7 +5,7 @@ const fixtures = require('../common/fixtures');
 const tmpdir = require('../common/tmpdir');
 const assert = require('assert');
 const fs = require('fs');
-const { spawnSync } = require('child_process');
+const { spawnSyncAndExitWithoutError } = require('../common/child_process');
 
 common.skipIfInspectorDisabled();
 
@@ -13,7 +13,7 @@ tmpdir.refresh();
 const intervals = 40;
 // Outputs coverage when v8.takeCoverage() is invoked.
 {
-  const output = spawnSync(process.execPath, [
+  const { child } = spawnSyncAndExitWithoutError(process.execPath, [
     '-r',
     fixtures.path('v8-coverage', 'take-coverage'),
     fixtures.path('v8-coverage', 'interval'),
@@ -25,8 +25,7 @@ const intervals = 40;
       TEST_INTERVALS: intervals
     },
   });
-  console.log(output.stderr.toString());
-  assert.strictEqual(output.status, 0);
+  console.log(child.stderr.toString());
   const coverageFiles = fs.readdirSync(tmpdir.path);
 
   let coverages = [];