From 980005f808ea3727f74f0622ebdfdfa035408669 Mon Sep 17 00:00:00 2001
From: Laila Los <44241786+ElectronicBlueberry@users.noreply.github.com>
Date: Mon, 26 Feb 2024 16:39:19 +0100
Subject: [PATCH] add mock IntersectionObserver

---
 client/tests/jest/jest-environment.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/client/tests/jest/jest-environment.js b/client/tests/jest/jest-environment.js
index cb044383bc8..4664dbc122b 100644
--- a/client/tests/jest/jest-environment.js
+++ b/client/tests/jest/jest-environment.js
@@ -2,12 +2,21 @@ import "jsdom-worker";
 
 import JSDOMEnvironment from "jest-environment-jsdom";
 
+class MockObserver {
+    constructor(...args) {}
+
+    observe(...args) {}
+    unobserve(...args) {}
+}
+
 export default class CustomJSDOMEnvironment extends JSDOMEnvironment {
     constructor(...args) {
         super(...args);
 
         this.global.Worker = Worker;
 
+        this.global.IntersectionObserver = MockObserver;
+
         // FIXME https://github.com/jsdom/jsdom/issues/3363
         this.global.structuredClone = structuredClone;
     }