diff --git a/src/lib/components/library/GenericMediaListPage.searchEvent.test.ts b/src/lib/components/library/GenericMediaListPage.searchEvent.test.ts
index cb4f9c25..347d6221 100644
--- a/src/lib/components/library/GenericMediaListPage.searchEvent.test.ts
+++ b/src/lib/components/library/GenericMediaListPage.searchEvent.test.ts
@@ -26,6 +26,13 @@ vi.mock("$lib/stores/library", () => ({
       return vi.fn();
     }),
   },
+  // Consumed as a store ($viewMode) by LibraryGrid, which this page renders.
+  viewMode: {
+    subscribe: vi.fn((fn) => {
+      fn("grid");
+      return vi.fn();
+    }),
+  },
 }));
 
 vi.mock("$lib/stores/auth", () => ({
diff --git a/src/lib/components/library/GenericMediaListPage.test.ts b/src/lib/components/library/GenericMediaListPage.test.ts
index 4da220d2..9bd55aca 100644
--- a/src/lib/components/library/GenericMediaListPage.test.ts
+++ b/src/lib/components/library/GenericMediaListPage.test.ts
@@ -15,6 +15,13 @@ vi.mock("$lib/stores/library", () => ({
       return vi.fn();
     }),
   },
+  // Consumed as a store ($viewMode) by LibraryGrid, which this page renders.
+  viewMode: {
+    subscribe: vi.fn((fn) => {
+      fn("grid");
+      return vi.fn();
+    }),
+  },
 }));
 
 vi.mock("$lib/stores/auth", () => ({