diff --git a/packages/taquito-beacon-wallet/test/__mocks__/broadcast-channel.ts b/packages/taquito-beacon-wallet/test/__mocks__/broadcast-channel.ts
new file mode 100644
index 0000000000..58420101b0
--- /dev/null
+++ b/packages/taquito-beacon-wallet/test/__mocks__/broadcast-channel.ts
@@ -0,0 +1,47 @@
+interface MessageListener {
+    (message: any): void;
+  }
+  
+  class BroadcastChannel {
+    name: string;
+    listeners: MessageListener[];
+  
+    constructor(name: string) {
+      this.name = name;
+      this.listeners = [];
+    }
+  
+    postMessage(message: any) {
+      // Mock implementation of postMessage
+      this.listeners.forEach((listener) => listener(message));
+    }
+  
+    addEventListener(event: string, listener: MessageListener) {
+      if (event === 'message') {
+        this.listeners.push(listener);
+      }
+    }
+  
+    removeEventListener(event: string, listener: MessageListener) {
+      if (event === 'message') {
+        this.listeners = this.listeners.filter((l) => l !== listener);
+      }
+    }
+  
+    close() {
+      // Mock implementation of close
+      this.listeners = [];
+    }
+  }
+  
+  function createLeaderElection(_channel: BroadcastChannel) {
+    // Mock implementation of createLeaderElection
+    return {
+      awaitLeadership: jest.fn(),
+      hasLeader: jest.fn().mockReturnValue(true),
+      isLeader: jest.fn().mockReturnValue(true),
+      die: jest.fn(),
+    };
+  }
+  
+  export { BroadcastChannel, createLeaderElection };
\ No newline at end of file
diff --git a/packages/taquito-beacon-wallet/test/taquito-beacon-wallet.spec.ts b/packages/taquito-beacon-wallet/test/taquito-beacon-wallet.spec.ts
index cc44dae449..cdbe9597b1 100644
--- a/packages/taquito-beacon-wallet/test/taquito-beacon-wallet.spec.ts
+++ b/packages/taquito-beacon-wallet/test/taquito-beacon-wallet.spec.ts
@@ -10,6 +10,25 @@ global.localStorage = new LocalStorageMock();
 global.indexedDB = indexedDB;
 global.window = { addEventListener: jest.fn() } as any;
 
+jest.mock('@airgap/beacon-transport-postmessage', () => {
+  jest.useFakeTimers()
+  const originalModule = jest.requireActual('@airgap/beacon-transport-postmessage');
+  jest.runAllTimers()
+
+  return {
+    ...originalModule,
+    PostMessageTransport: jest.fn().mockImplementation(() => {
+      return {
+        connect: jest.fn(),
+        startOpenChannelListener: jest.fn(),
+        getPairingRequestInfo: jest.fn(),
+        listen: jest.fn(),
+      };
+    }),
+    getAvailableExtensions: jest.fn(),
+  };
+});
+
 describe('Beacon Wallet tests', () => {
   it('Verify that BeaconWallet is instantiable', () => {
     expect(new BeaconWallet({ name: 'testWallet' })).toBeInstanceOf(BeaconWallet);