1 files changed, 4 insertions, 1 deletions
diff --git a/src/node/test/credentials_test.js b/src/node/test/credentials_test.js
index 0a21572582..305843f665 100644
--- a/src/node/test/credentials_test.js
+++ b/src/node/test/credentials_test.js
@@ -71,7 +71,10 @@ var fakeSuccessfulGoogleCredentials = {
 var fakeFailingGoogleCredentials = {
   getRequestMetadata: function(service_url, callback) {
     setTimeout(function() {
-      callback(new Error('Authentication failure'));
+      // Google credentials currently adds string error codes to auth errors
+      var error = new Error('Authentication failure');
+      error.code = 'ENOENT';
+      callback(error);
     }, 0);
   }
 };