test: add second argument to assert.throws()

The assert.throws() calls in test-event-emitter-max-listeners.js should include a constructor or RegExp as a second argument. PR-URL: #9987 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: russokj

test/parallel/test-event-emitter-max-listeners.js

@@ -1,8 +1,8 @@
 'use strict';
 constcommon=require('../common');
-varassert=require('assert');
-varevents=require('events');
-vare=newevents.EventEmitter();
+constassert=require('assert');
+constevents=require('events');
+conste=newevents.EventEmitter();
 
 e.on('maxListeners',common.mustCall(function(){}));
 
@@ -11,14 +11,14 @@ e.setMaxListeners(42);
 
 assert.throws(function(){
 e.setMaxListeners(NaN);
-});
+},/^TypeError:"n"argumentmustbeapositivenumber$/);
 
 assert.throws(function(){
 e.setMaxListeners(-1);
-});
+},/^TypeError:"n"argumentmustbeapositivenumber$/);
 
 assert.throws(function(){
 e.setMaxListeners('and even this');
-});
+},/^TypeError:"n"argumentmustbeapositivenumber$/);
 
 e.emit('maxListeners');