test: test process.setuid for bad argument types

Test process.setuid with an object as an argument. An equivalent test
exists for process.seteuid.

PR-URL: #19703
Fixes: #19591
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/parallel/test-process-setuid-setgid.js

@@ -33,6 +33,10 @@ if (common.isWindows) {
   return;
 }
 
+assert.throws(() => {
+  process.setuid({});
+}, /^TypeError: setuid argument must be a number or a string$/);
+
 assert.throws(() => {
   process.setuid('fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf');
 }, /^Error: setuid user id does not exist$/);