test: improve assertion message in internet dgram test

Trott · targos · commit 36b6b052d3ae · 2019-12-01T17:05:49.000+01:00
When an error occurs unexpectedly, let the user know what the error is. PR-URL: #30545 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
diff --git a/test/internet/test-dgram-send-cb-quelches-error.js b/test/internet/test-dgram-send-cb-quelches-error.js
@@ -28,7 +28,7 @@ function callbackOnly(err) {
 }
 
 function onEvent(err) {
-  assert.fail('Error should not be emitted if there is callback');
+  assert.fail(`Error should not be emitted if there is callback: ${err}`);
 }
 
 function onError(err) {

Original file line number	Diff line number	Diff line change
`@@ -28,7 +28,7 @@ function callbackOnly(err) {`
`28`	`28`	`}`
`29`	`29`
`30`	`30`	`function onEvent(err) {`
`31`		`- assert.fail('Error should not be emitted if there is callback');`
	`31`	+ assert.fail(`Error should not be emitted if there is callback: ${err}`);
`32`	`32`	`}`
`33`	`33`
`34`	`34`	`function onError(err) {`