test: accept SIGILL aborts in async-hooks tests

Use common.nodeProcessAborted() for the intentional abort path so
platform-specific abort signals such as SIGILL are accepted.

Signed-off-by: Kamat, Trivikram <16024985+trivikr@users.noreply.github.com>
Assisted-by: openai:gpt-5.5
PR-URL: #63687
Refs: https://github.com/nodejs/reliability/blob/main/reports/2026-06-01.md#jstest-failure
Reviewed-By: Richard Lau <richard.lau@ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: trivikr

test/async-hooks/test-emit-after-on-destroyed.js

@@ -55,7 +55,7 @@ if (process.argv[2] === 'child') {
   child.on('close', common.mustCall((code, signal) => {
     if ((common.isAIX ||
          (common.isLinux && process.arch === 'x64')) &&
-         signal === 'SIGABRT') {
+        common.nodeProcessAborted(code, signal)) {
       // XXX: The child process could be aborted due to unknown reasons. Work around it.
     } else {
       assert.strictEqual(signal, null);

test/async-hooks/test-improper-order.js

@@ -53,8 +53,8 @@ if (process.argv[2] === 'child') {
 
   child.on('close', common.mustCall((code, signal) => {
     if ((common.isAIX ||
-        (common.isLinux && process.arch === 'x64')) &&
-        signal === 'SIGABRT') {
+         (common.isLinux && process.arch === 'x64')) &&
+        common.nodeProcessAborted(code, signal)) {
       // XXX: The child process could be aborted due to unknown reasons. Work around it.
     } else {
       assert.strictEqual(signal, null);

test/async-hooks/test-improper-unwind.js

@@ -58,7 +58,7 @@ if (process.argv[2] === 'child') {
   child.on('close', common.mustCall((code, signal) => {
     if ((common.isAIX ||
          (common.isLinux && process.arch === 'x64')) &&
-         signal === 'SIGABRT') {
+        common.nodeProcessAborted(code, signal)) {
       // XXX: The child process could be aborted due to unknown reasons. Work around it.
     } else {
       assert.strictEqual(signal, null);