diff --git a/frontend/src/routes/admin/groups/layout.svelte.spec.ts b/frontend/src/routes/admin/groups/layout.svelte.spec.ts
index eba52f63..68a35cf5 100644
--- a/frontend/src/routes/admin/groups/layout.svelte.spec.ts
+++ b/frontend/src/routes/admin/groups/layout.svelte.spec.ts
@@ -112,8 +112,9 @@ describe('GroupsListPanel — collapse toggle', () => {
 		render(GroupsListPanel, { groups });
 		const setSpy = vi.spyOn(Storage.prototype, 'setItem');
 		document.querySelector<HTMLButtonElement>('[aria-label="Liste einklappen"]')!.click();
-		await new Promise((r) => setTimeout(r, 0));
-		expect(setSpy).toHaveBeenCalledWith('admin_groups_list_collapsed', 'true');
+		await vi.waitFor(() =>
+			expect(setSpy).toHaveBeenCalledWith('admin_groups_list_collapsed', 'true')
+		);
 		setSpy.mockRestore();
 	});
 });
diff --git a/frontend/src/routes/admin/tags/layout.svelte.spec.ts b/frontend/src/routes/admin/tags/layout.svelte.spec.ts
index 40aab79f..c3edbbad 100644
--- a/frontend/src/routes/admin/tags/layout.svelte.spec.ts
+++ b/frontend/src/routes/admin/tags/layout.svelte.spec.ts
@@ -91,8 +91,9 @@ describe('TagsListPanel — collapse toggle', () => {
 		render(TagsListPanel, { tags });
 		const setSpy = vi.spyOn(Storage.prototype, 'setItem');
 		document.querySelector<HTMLButtonElement>('[aria-label="Liste einklappen"]')!.click();
-		await new Promise((r) => setTimeout(r, 0));
-		expect(setSpy).toHaveBeenCalledWith('admin_tags_list_collapsed', 'true');
+		await vi.waitFor(() =>
+			expect(setSpy).toHaveBeenCalledWith('admin_tags_list_collapsed', 'true')
+		);
 		setSpy.mockRestore();
 	});
 });
diff --git a/frontend/src/routes/admin/users/layout.svelte.spec.ts b/frontend/src/routes/admin/users/layout.svelte.spec.ts
index d10a3e0b..84164697 100644
--- a/frontend/src/routes/admin/users/layout.svelte.spec.ts
+++ b/frontend/src/routes/admin/users/layout.svelte.spec.ts
@@ -134,8 +134,9 @@ describe('UsersListPanel — collapse toggle', () => {
 		render(UsersListPanel, { users });
 		const setSpy = vi.spyOn(Storage.prototype, 'setItem');
 		document.querySelector<HTMLButtonElement>('[aria-label="Liste einklappen"]')!.click();
-		await new Promise((r) => setTimeout(r, 0));
-		expect(setSpy).toHaveBeenCalledWith('admin_users_list_collapsed', 'true');
+		await vi.waitFor(() =>
+			expect(setSpy).toHaveBeenCalledWith('admin_users_list_collapsed', 'true')
+		);
 		setSpy.mockRestore();
 	});
 });