修复(#97): 区分邀请管理加载失败状态

apps/admin/src/sections/invite/index.test.tsx

@@ -127,12 +127,33 @@ describe("InviteManagement", () => {
     expect(await screen.findByText("No invite records")).not.toBeNull();
   });
 
-  it("keeps the table empty when the request fails", async () => {
+  it("shows a loading state while invites are being fetched", () => {
+    let resolveRequest:
+      | ((
+          value: AxiosResponse<
+            API.Response & { data?: API.GetAdminInviteListResponse }
+          >
+        ) => void)
+      | undefined;
+    mockedGetAdminInviteList.mockReturnValue(
+      new Promise((resolve) => {
+        resolveRequest = resolve;
+      })
+    );
+
+    render(<InviteManagement />);
+
+    expect(screen.getByRole("status", { name: "Loading data" })).not.toBeNull();
+    expect(resolveRequest).toBeTypeOf("function");
+  });
+
+  it("shows an error state when the request fails", async () => {
     mockedGetAdminInviteList.mockRejectedValue(new Error("network failed"));
 
     render(<InviteManagement />);
 
     await waitFor(() => expect(mockedGetAdminInviteList).toHaveBeenCalled());
-    expect(await screen.findByText("No invite records")).not.toBeNull();
+    expect(await screen.findByText("Failed to load invites")).not.toBeNull();
+    expect(screen.queryByText("No invite records")).toBeNull();
   });
 });