From d6934afcf22afed25b1b9fd06bd4b1df66659aae Mon Sep 17 00:00:00 2001
From: Luigi Pinca <luigipinca@gmail.com>
Date: Tue, 31 Oct 2017 09:00:10 +0100
Subject: [PATCH] [test] Fix error validation on node 9

---
 test/WebSocket.test.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/test/WebSocket.test.js b/test/WebSocket.test.js
index 3c6ec9eaf..db5304d88 100644
--- a/test/WebSocket.test.js
+++ b/test/WebSocket.test.js
@@ -84,10 +84,14 @@ describe('WebSocket', function () {
     });
 
     it('accepts the localAddress option whether it was wrong interface', function () {
-      assert.throws(
-        () => new WebSocket(`ws://localhost:${port}`, { localAddress: '123.456.789.428' }),
-        /must be a valid IP: 123.456.789.428/
-      );
+      const localAddress = '123.456.789.428';
+
+      assert.throws(() => {
+        const ws = new WebSocket(`ws://localhost:${port}`, { localAddress });
+      }, (err) => {
+        return err instanceof TypeError && (err.code === 'ERR_INVALID_IP_ADDRESS' ||
+          err.message.includes(`must be a valid IP: ${localAddress}`));
+      });
     });
 
     it('accepts the family option', function (done) {