From 317c93dec8f1eaaa73a6d05dbfe0c6ebd9b72e08 Mon Sep 17 00:00:00 2001
From: Daniel Dyla <dyladan@users.noreply.github.com>
Date: Thu, 30 Nov 2023 09:49:36 -0500
Subject: [PATCH] Use err.code to make test more reliable

---
 .../test/PrometheusExporter.test.ts                           | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusExporter.test.ts b/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusExporter.test.ts
index b4c6f0ade0..1030203a2c 100644
--- a/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusExporter.test.ts
+++ b/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusExporter.test.ts
@@ -360,8 +360,8 @@ describe('PrometheusExporter', () => {
           .get('http://localhost:9464/metrics', res => {
             errorHandler(done)(new Error('unreachable'));
           })
-          .on('error', err => {
-            assert(`${err}`.match('ECONNREFUSED'));
+          .on('error', (err: any) => {
+            assert.equal(err.code, 'ECONNREFUSED');
             done();
           });
       });