fix(test): add getModelsConfig mock and update QWEN_OAUTH test expectations

- Add getModelsConfig() to Config mocks in gemini.test.tsx (3 failures)
- Update validateNonInterActiveAuth test to expect exit for QWEN_OAUTH
  since validateAuthMethod now returns an error for discontinued free tier

Author: tanzhenxin

packages/cli/src/gemini.test.tsx

@@ -49,6 +49,7 @@ vi.mock('./config/config.js', () => ({
     getQuestion: vi.fn(() => ''),
     isInteractive: () => false,
     getWarnings: vi.fn(() => []),
+    getModelsConfig: vi.fn(() => ({ getCurrentAuthType: () => null })),
   } as unknown as Config),
   parseArguments: vi.fn().mockResolvedValue({}),
   isDebugMode: vi.fn(() => false),
@@ -179,6 +180,7 @@ describe('gemini.tsx main function', () => {
         getProjectRoot: () => '/',
         getOutputFormat: () => OutputFormat.TEXT,
         getWarnings: () => [],
+        getModelsConfig: () => ({ getCurrentAuthType: () => null }),
         getSessionId: () => 'test-session-id',
       } as unknown as Config;
     });
@@ -347,6 +349,7 @@ describe('gemini.tsx main function', () => {
       getInputFormat: () => 'stream-json',
       getContentGeneratorConfig: () => ({ authType: 'test-auth' }),
       getWarnings: () => [],
+      getModelsConfig: () => ({ getCurrentAuthType: () => null }),
       getUsageStatisticsEnabled: () => true,
       getSessionId: () => 'test-session-id',
       getOutputFormat: () => OutputFormat.TEXT,
@@ -448,6 +451,7 @@ describe('gemini.tsx main function kitty protocol', () => {
       getScreenReader: () => false,
       getGeminiMdFileCount: () => 0,
       getWarnings: () => [],
+      getModelsConfig: () => ({ getCurrentAuthType: () => null }),
       getUsageStatisticsEnabled: () => true,
       getSessionId: () => 'test-session-id',
     } as unknown as Config);

packages/cli/src/validateNonInterActiveAuth.test.ts

@@ -181,7 +181,7 @@ describe('validateNonInterActiveAuth', () => {
     expect(refreshAuthMock).toHaveBeenCalledWith(AuthType.USE_OPENAI);
   });
 
-  it('uses configured QWEN_OAUTH if provided', async () => {
+  it('exits with error for QWEN_OAUTH (free tier discontinued)', async () => {
     const nonInteractiveConfig = createMockConfig({
       refreshAuth: refreshAuthMock,
       getModelsConfig: vi.fn().mockReturnValue({
@@ -190,12 +190,12 @@ describe('validateNonInterActiveAuth', () => {
         getGenerationConfig: vi.fn().mockReturnValue({}),
       }),
     });
-    await validateNonInteractiveAuth(
-      undefined,
-      nonInteractiveConfig,
-      mockSettings,
+    await expect(
+      validateNonInteractiveAuth(undefined, nonInteractiveConfig, mockSettings),
+    ).rejects.toThrow('process.exit(1)');
+    expect(mockWriteStderrLine).toHaveBeenCalledWith(
+      expect.stringContaining('discontinued'),
     );
-    expect(refreshAuthMock).toHaveBeenCalledWith(AuthType.QWEN_OAUTH);
   });
 
   it('exits if validateAuthMethod returns error', async () => {