diff --git a/src/agents/tools/image-tool.test.ts b/src/agents/tools/image-tool.test.ts
index f73c1e03823..734808bde4f 100644
--- a/src/agents/tools/image-tool.test.ts
+++ b/src/agents/tools/image-tool.test.ts
@@ -93,6 +93,7 @@ vi.mock("../pi-tools.abort.js", () => ({
 }));
 
 vi.mock("../auth-profiles.js", () => ({
+  externalCliDiscoveryForProviderAuth: () => undefined,
   ensureAuthProfileStore: (agentDir?: string) => {
     if (!agentDir) {
       return { version: 1, profiles: {} };