test: remove duplicate availability-unavailable fallback case

src/commands/models.list.test.ts

@@ -382,55 +382,6 @@ describe("models list/status", () => {
     listProfilesForProvider.mockReturnValue([]);
   });
 
-  it("models list falls back to auth heuristics when registry availability is unavailable", async () => {
-    loadConfig.mockReturnValue({
-      agents: {
-        defaults: {
-          model: "google-antigravity/claude-opus-4-6-thinking",
-          models: {
-            "google-antigravity/claude-opus-4-6-thinking": {},
-          },
-        },
-      },
-    });
-    listProfilesForProvider.mockImplementation((_: unknown, provider: string) =>
-      provider === "google-antigravity"
-        ? ([{ id: "profile-1" }] as Array<Record<string, unknown>>)
-        : [],
-    );
-    modelRegistryState.getAvailableError = Object.assign(
-      new Error("availability unsupported: getAvailable failed"),
-      { code: "MODEL_AVAILABILITY_UNAVAILABLE" },
-    );
-    const runtime = makeRuntime();
-
-    modelRegistryState.models = [
-      {
-        provider: "google-antigravity",
-        id: "claude-opus-4-5-thinking",
-        name: "Claude Opus 4.5 Thinking",
-        api: "google-gemini-cli",
-        input: ["text", "image"],
-        baseUrl: "https://daily-cloudcode-pa.sandbox.googleapis.com",
-        contextWindow: 200000,
-        maxTokens: 64000,
-        reasoning: true,
-        cost: { input: 5, output: 25, cacheRead: 0.5, cacheWrite: 6.25 },
-      },
-    ];
-    modelRegistryState.available = [];
-    await modelsListCommand({ json: true }, runtime);
-
-    expect(runtime.error).toHaveBeenCalledTimes(1);
-    expect(runtime.error.mock.calls[0]?.[0]).toContain("falling back to auth heuristics");
-    expect(runtime.error.mock.calls[0]?.[0]).toContain("getAvailable failed");
-    expect(runtime.log).toHaveBeenCalledTimes(1);
-    const payload = JSON.parse(String(runtime.log.mock.calls[0]?.[0]));
-    expect(payload.models[0]?.key).toBe("google-antigravity/claude-opus-4-6-thinking");
-    expect(payload.models[0]?.missing).toBe(false);
-    expect(payload.models[0]?.available).toBe(true);
-  });
-
   it("models list falls back to auth heuristics when getAvailable returns invalid shape", async () => {
     loadConfig.mockReturnValue({
       agents: {