diff --git a/web/src/routes/admin/integrations/integrations.test.ts b/web/src/routes/admin/integrations/integrations.test.ts
index d54ab06f..c7e79622 100644
--- a/web/src/routes/admin/integrations/integrations.test.ts
+++ b/web/src/routes/admin/integrations/integrations.test.ts
@@ -5,8 +5,14 @@ import type { LidarrConfig } from '$lib/api/types';
 import type { CoverProvider, SMTPConfig } from '$lib/api/admin';
 
 // useQueryClient is wrapped so the page can call invalidateQueries() without
-// a real QueryClient context. Everything else from svelte-query passes through.
+// a real QueryClient context. Per-file mock OVERRIDES the vitest.setup default
+// so assertions see this named spy rather than the setup's anonymous fn.
 const invalidateQueries = vi.fn();
+vi.mock('@tanstack/svelte-query', async (orig) => {
+  const actual = (await orig()) as Record<string, unknown>;
+  return { ...actual, useQueryClient: () => ({ invalidateQueries }) };
+});
+
 vi.mock('$lib/api/admin', () => ({
   createLidarrConfigQuery: vi.fn(),
   createQualityProfilesQuery: vi.fn(),
diff --git a/web/src/routes/requests/requests.test.ts b/web/src/routes/requests/requests.test.ts
index 6bae206e..8d29eb92 100644
--- a/web/src/routes/requests/requests.test.ts
+++ b/web/src/routes/requests/requests.test.ts
@@ -4,8 +4,13 @@ import { mockQuery } from '../../test-utils/query';
 import type { LidarrRequest } from '$lib/api/types';
 
 // Capture invalidateQueries on the mocked QueryClient so the cancel test can
-// assert against the same instance the page consumed.
+// assert against the same instance the page consumed. Per-file mock OVERRIDES
+// the vitest.setup default so assertions see this named spy.
 const invalidateQueries = vi.fn().mockResolvedValue(undefined);
+vi.mock('@tanstack/svelte-query', async (orig) => {
+  const actual = (await orig()) as Record<string, unknown>;
+  return { ...actual, useQueryClient: () => ({ invalidateQueries }) };
+});
 
 vi.mock('$lib/api/requests', () => ({
   createMyRequestsQuery: vi.fn(),