test: use regluar expression in vm test

AkiraXue · MylesBorins · commit 94ff5918b6ac · 2017-09-05T12:49:55.000-04:00
update test/parallel/test-vm-create-context-arg.js in line 27 to change `TypeError` to the regular expression with the `/^TypeError: sandbox must be an object$/`. PR-URL: #14266 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
diff --git a/test/parallel/test-vm-create-context-arg.js b/test/parallel/test-vm-create-context-arg.js
@@ -5,7 +5,7 @@ const vm = require('vm');
 
 assert.throws(function() {
   vm.createContext('string is not supported');
-}, TypeError);
+}, /^TypeError: sandbox must be an object$/);
 
 assert.doesNotThrow(function() {
   vm.createContext({ a: 1 });
