diff --git a/src/library-authoring/LibraryAuthoringPage.test.tsx b/src/library-authoring/LibraryAuthoringPage.test.tsx
index 2bb89e75d2..4ced56c8c9 100644
--- a/src/library-authoring/LibraryAuthoringPage.test.tsx
+++ b/src/library-authoring/LibraryAuthoringPage.test.tsx
@@ -97,6 +97,13 @@ const libraryData: ContentLibrary = {
   updated: '2024-07-20',
 };
 
+const clipboardBroadcastChannelMock = {
+  postMessage: jest.fn(),
+  close: jest.fn(),
+};
+
+(global as any).BroadcastChannel = jest.fn(() => clipboardBroadcastChannelMock);
+
 const RootWrapper = () => (
   <AppProvider store={store}>
     <IntlProvider locale="en" messages={{}}>
diff --git a/src/library-authoring/add-content/AddContentContainer.test.tsx b/src/library-authoring/add-content/AddContentContainer.test.tsx
index 51b07843c9..856dff6997 100644
--- a/src/library-authoring/add-content/AddContentContainer.test.tsx
+++ b/src/library-authoring/add-content/AddContentContainer.test.tsx
@@ -31,6 +31,13 @@ const queryClient = new QueryClient({
   },
 });
 
+const clipboardBroadcastChannelMock = {
+  postMessage: jest.fn(),
+  close: jest.fn(),
+};
+
+(global as any).BroadcastChannel = jest.fn(() => clipboardBroadcastChannelMock);
+
 const RootWrapper = () => (
   <AppProvider store={store}>
     <IntlProvider locale="en" messages={{}}>