chore: More flakey test improvements (#5801)

server/routes/api/urls/urls.test.ts

@@ -4,11 +4,9 @@ import { buildDocument, buildUser } from "@server/test/factories";
 import { getTestServer } from "@server/test/support";
 import resolvers from "@server/utils/unfurl";
 
-jest.mock("@server/utils/unfurl", () => ({
-  Iframely: {
-    unfurl: jest.fn(),
-  },
-}));
+jest
+  .spyOn(resolvers.Iframely, "unfurl")
+  .mockImplementation(async (_: string) => false);
 
 const server = getTestServer();
 
@@ -166,6 +164,7 @@ describe("#urls.unfurl", () => {
       },
     });
 
+    expect(res.status).toEqual(200);
     const body = await res.json();
 
     expect(resolvers.Iframely.unfurl).toHaveBeenCalledWith(