diff --git a/packages/coding-agent/src/cli/list-models.test.ts b/packages/coding-agent/src/cli/list-models.test.ts
index b98493d8e..0e7b8a733 100644
--- a/packages/coding-agent/src/cli/list-models.test.ts
+++ b/packages/coding-agent/src/cli/list-models.test.ts
@@ -7,6 +7,13 @@ import { afterEach, beforeEach, describe, it } from "vitest";
 import type { ModelRegistry } from "../core/model-registry.js";
 import { listModels } from "./list-models.js";
 
+/**
+ * Path to a guaranteed-missing file — used to prevent tests from picking up
+ * the developer's real ~/.sf/agent/discovery-cache.json and thus seeing
+ * unexpected models in output.
+ */
+const NO_CACHE = join(tmpdir(), `no-discovery-cache-${process.pid}.json`);
+
 const model = (provider: string, id: string): Model<any> => ({
 	id,
 	name: id,
@@ -66,7 +73,7 @@ describe("listModels", () => {
 				m.provider === "zai" && m.id === "glm-5.1",
 		} as unknown as ModelRegistry;
 
-		await listModels(registry, { searchPattern: "zai" });
+		await listModels(registry, { searchPattern: "zai", _discoveryCacheFilePath: NO_CACHE });
 
 		const rendered = output.join("\n");
 		assert.match(rendered, /glm-5\.1/);
@@ -91,7 +98,7 @@ describe("listModels", () => {
 			isDiscovered: () => false,
 		} as unknown as ModelRegistry;
 
-		await listModels(registry, { discover: true });
+		await listModels(registry, { discover: true, _discoveryCacheFilePath: NO_CACHE });
 
 		const rendered = output.join("\n");
 		assert.doesNotMatch(rendered, /zai/);