test: use .code for error in setgid

= · sam-github · commit fbbc8629625b · 2019-06-18T09:55:42.000-07:00
When the 'nobody' user is missing use .code to detect this, its more robust than than the .message string. Refs: #19594
diff --git a/test/parallel/test-process-uid-gid.js b/test/parallel/test-process-uid-gid.js
@@ -74,7 +74,7 @@ const oldgid = process.getgid();
 try {
   process.setgid('nobody');
 } catch (err) {
-  if (err.message !== 'setgid group id does not exist') {
+  if (err.code !== 'ERR_UNKNOWN_CREDENTIAL') {
     throw err;
   }
   process.setgid('nogroup');

Original file line number	Diff line number	Diff line change
`@@ -74,7 +74,7 @@ const oldgid = process.getgid();`
`74`	`74`	`try {`
`75`	`75`	`process.setgid('nobody');`
`76`	`76`	`} catch (err) {`
`77`		`- if (err.message !== 'setgid group id does not exist') {`
	`77`	`+ if (err.code !== 'ERR_UNKNOWN_CREDENTIAL') {`
`78`	`78`	`throw err;`
`79`	`79`	`}`
`80`	`80`	`process.setgid('nogroup');`