From 4368ed37b8ae4e1ac1226439b1ca32453f430eec Mon Sep 17 00:00:00 2001
From: Michael Lumish <mlumish@google.com>
Date: Mon, 12 Oct 2020 10:40:32 -0700
Subject: [PATCH] Fix missing arg variable in perRpcCreds interop test

---
 test/interop/interop_client.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/interop/interop_client.js b/test/interop/interop_client.js
index 0b177e53..d7df128d 100644
--- a/test/interop/interop_client.js
+++ b/test/interop/interop_client.js
@@ -464,6 +464,10 @@ function oauth2Test(client, done, extra) {
 }
 
 function perRpcAuthTest(client, done, extra) {
+  var arg = {
+    fill_username: true,
+    fill_oauth_scope: true
+  };
   const creds = grpc.credentials.createFromGoogleCredential(new GoogleAuth({scopes: extra.oauth_scope}));
   client.unaryCall(arg, {credentials: creds}, function(err, resp) {
     assert.ifError(err);