test: fix abort/test-abort-uncaught-exception

The --abort-on-uncaught-exception can terminate the process with either
a SIGABRT or a SIGILL signal but the test only expected SIGABRT.

PR-URL: #6734
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

test/abort/test-abort-uncaught-exception.js

@@ -9,23 +9,26 @@ if (process.argv[2] === 'child') {
   throw new Error('child error');
 } else {
   run('', null);
-  run('--abort-on-uncaught-exception', 'SIGABRT');
+  run('--abort-on-uncaught-exception', ['SIGABRT', 'SIGILL']);
 }
 
-function run(flags, signal) {
+function run(flags, signals) {
   const args = [__filename, 'child'];
   if (flags)
     args.unshift(flags);
 
   const child = spawn(node, args);
   child.on('exit', common.mustCall(function(code, sig) {
-    if (!common.isWindows) {
-      assert.strictEqual(sig, signal);
-    } else {
-      if (signal)
+    if (common.isWindows) {
+      if (signals)
         assert.strictEqual(code, 3);
       else
         assert.strictEqual(code, 1);
+    } else {
+      if (signals)
+        assert.strictEqual(signals.includes(sig), true);
+      else
+        assert.strictEqual(sig, null);
     }
   }));
 }