#![cfg(not(target_os = "windows"))]#![allow(clippy::unwrap_used)]use core_test_support::responses;use core_test_support::test_codex_exec::test_codex_exec;use predicates::str::contains;#[tokio::test(flavor = "multi_thread", worker_threads = 2)]async fn exits_non_zero_when_required_mcp_server_fails_to_initialize() -> anyhow::Result<()> {    let test = test_codex_exec();    let config_toml = r#"        [mcp_servers.required_broken]        command = "codex-definitely-not-a-real-binary"        required = true    "#;    std::fs::write(test.home_path().join("config.toml"), config_toml)?;    let server = responses::start_mock_server().await;    let body = responses::sse(vec![        responses::ev_response_created("resp_1"),        responses::ev_assistant_message("msg_1", "hello"),        responses::ev_completed("resp_1"),    ]);    responses::mount_sse_once(&server, body).await;    test.cmd_with_server(&server)        .arg("--skip-git-repo-check")        .arg("--experimental-json")        .arg("tell me something")        .assert()        .code(1)        .stderr(contains(            "required MCP servers failed to initialize: required_broken",        ));    Ok(())}