diff --git a/tests/setupTests.jsx b/tests/setupTests.jsx
index de86de9f..7f7a4a39 100644
--- a/tests/setupTests.jsx
+++ b/tests/setupTests.jsx
@@ -27,6 +27,43 @@ class Worker {
   }
 }
 window.Worker = Worker;
+// Polyfill MessageChannel for environments (like jest/jsdom) that don't provide it
+if (typeof global.MessageChannel === 'undefined') {
+  class PolyMessageChannel {
+    constructor() {
+      const channel = this;
+      this.port1 = {
+        postMessage(msg) {
+          setTimeout(() => {
+            if (
+              channel.port2 &&
+              typeof channel.port2.onmessage === 'function'
+            ) {
+              channel.port2.onmessage({ data: msg });
+            }
+          }, 0);
+        },
+      };
+      this.port2 = {
+        postMessage(msg) {
+          setTimeout(() => {
+            if (
+              channel.port1 &&
+              typeof channel.port1.onmessage === 'function'
+            ) {
+              channel.port1.onmessage({ data: msg });
+            }
+          }, 0);
+        },
+      };
+    }
+  }
+
+  global.MessageChannel = PolyMessageChannel;
+  if (typeof window !== 'undefined') {
+    window.MessageChannel = PolyMessageChannel;
+  }
+}
 
 if (typeof window !== 'undefined') {
   // ref: https://github.com/ant-design/ant-design/issues/18774