Merge pull request '修复 CreatorPages 回关用例在并发负载下的偶发失败（修 CI flaky）' (#646) from fix/creator-follow-flaky into master

Reviewed-on: http://git.genarrative.world/git/GenarrativeAI/Genarrative/pulls/646

src/components/creator/CreatorPages.test.tsx

@@ -138,10 +138,15 @@ it('自己的粉丝支持回关和取消回关，移除须确认且只移除该
     total: 1,
   });
   render(<CreatorConnectionsPage id="a" tab="followers" {...callbacks} />);
-  await screen.findByRole('button', { name: '回关' });
+  // 关系 store 的 seed 晚于行首帧，此时按钮仍是 disabled；React 不会对 disabled
+  // 元素派发 onClick，必须先等到按钮可用再点，否则这次点击会被直接吞掉。
+  const back = (await screen.findByRole('button', {
+    name: '回关',
+  })) as HTMLButtonElement;
+  await waitFor(() => expect(back.disabled).toBe(false));
   api.write.mockResolvedValue({ relationship: following });
   api.list.mockResolvedValue({ items: [row()], nextCursor: null, total: 1 });
-  fireEvent.click(screen.getByRole('button', { name: '回关' }));
+  fireEvent.click(back);
   await screen.findByRole('button', { name: '取消关注' });
   expect(api.write).toHaveBeenLastCalledWith('b', 'follow');
   fireEvent.click(screen.getByRole('button', { name: '移除粉丝' }));