diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 0dac541f..f563da61 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [16.15]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
diff --git a/test/config.json b/test/config.json
index f129fbf0..2da5edf4 100644
--- a/test/config.json
+++ b/test/config.json
@@ -36,5 +36,5 @@
     }
   },
   "source": "logex",
-  "backend_url": "https://ideas.science.uu.nl/cgi-bin/ideas-logic.cgi"
+  "backend_url": "https://ideastest.science.uu.nl/cgi-bin/ideas-logic.cgi"
 }
diff --git a/test/test.js b/test/test.js
index 32082d26..7067025d 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1,6 +1,7 @@
 import { describe, it } from 'mocha'
 import { IdeasServiceProxy } from '../src/js/model/ideasServiceProxy.js'
-import { XMLHttpRequest } from 'xhr2'
+import pkg from 'xhr2';
+const { XMLHttpRequest } = pkg;
 import { assert } from 'chai'
 
 global.XMLHttpRequest = XMLHttpRequest