test: better error validations for event-capture

PR-URL: #32771
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>

Author: edsadr

test/parallel/test-event-capture-rejections.js

@@ -278,14 +278,22 @@ function resetCaptureOnThrowInError() {
 functionargValidation(){
 
 functiontestType(obj){
+constreceived=obj.constructor.name!=='Number' ?
+`an instance of ${obj.constructor.name}` :
+`type number (${obj})`;
+
 assert.throws(()=>newEventEmitter({captureRejections: obj}),{
 code: 'ERR_INVALID_ARG_TYPE',
-name: 'TypeError'
+name: 'TypeError',
+message: 'The "options.captureRejections" property must be of type '+
+`boolean. Received ${received}`
 });
 
 assert.throws(()=>EventEmitter.captureRejections=obj,{
 code: 'ERR_INVALID_ARG_TYPE',
-name: 'TypeError'
+name: 'TypeError',
+message: 'The "EventEmitter.captureRejections" property must be of '+
+`type boolean. Received ${received}`
 });
 }