diff --git a/src/pipeline/executor.test.ts b/src/pipeline/executor.test.ts
index 1b6217e..dcd1b67 100644
--- a/src/pipeline/executor.test.ts
+++ b/src/pipeline/executor.test.ts
@@ -26,6 +26,7 @@ function createMockPage(overrides: Partial<IPage> = {}): IPage {
     autoScroll: vi.fn(),
     installInterceptor: vi.fn(),
     getInterceptedRequests: vi.fn().mockResolvedValue([]),
+    screenshot: vi.fn().mockResolvedValue(''),
     ...overrides,
   };
 }