From 8365b18c5e9627773ebc37a1c67e31a8b8c54308 Mon Sep 17 00:00:00 2001
From: eps1lon <silbermann.sebastian@gmail.com>
Date: Thu, 27 May 2021 11:27:33 +0200
Subject: [PATCH] Fix breakage regarding (set|clear)Immediate

---
 scripts/jest/setupTests.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/jest/setupTests.js b/scripts/jest/setupTests.js
index abb358f817aa2..26f641effae88 100644
--- a/scripts/jest/setupTests.js
+++ b/scripts/jest/setupTests.js
@@ -310,4 +310,10 @@ if (process.env.REACT_CLASS_EQUIVALENCE_TEST) {
   };
 
   require('jasmine-check').install();
+
+  if (typeof window !== 'undefined') {
+    // FIXME: Possible bug in jest 27 + legacy fake timers?
+    delete window.setImmediate;
+    delete window.clearImmediate;
+  }
 }