test: improved type checking with regex

Replaced TypeError with a regular expression of the actual error. PR-URL: #12591 Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Jeremiah Senkpiel <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Santiago Gimeno <[email protected]> Reviewed-By: Gibson Fahnestock <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: coreybeaumont

test/parallel/test-net-server-options.js

@@ -3,5 +3,7 @@ require('../common');
 constassert=require('assert');
 constnet=require('net');
 
-assert.throws(function(){net.createServer('path');},TypeError);
-assert.throws(function(){net.createServer(0);},TypeError);
+assert.throws(function(){net.createServer('path');},
+/^TypeError:optionsmustbeanobject$/);
+assert.throws(function(){net.createServer(0);},
+/^TypeError:optionsmustbeanobject$/);