mongodb/jstests/free_mon/free_mon_http_down.js

// Validate registration retries if the web server is down.
//
load("jstests/free_mon/libs/free_mon.js");

(function() {
    'use strict';

    let mock_web = new FreeMonWebServer(FAULT_FAIL_REGISTER);

    mock_web.start();

    let options = {
        setParameter: "cloudFreeMonitoringEndpointURL=" + mock_web.getURL(),
        enableFreeMonitoring: "on",
        verbose: 1,
    };

    const conn = MongoRunner.runMongod(options);
    assert.neq(null, conn, 'mongod was unable to start up');

    mock_web.waitRegisters(3);

    MongoRunner.stopMongod(conn);

    mock_web.stop();
})();