add load_testing

            'readonly' => false,

        ],

    ]);

} elseif (getenv('RUN_MODE', true) === 'load_testing') {

    $settings = array_merge($settings, [

        'connections' => [

            'value' => [

                'default' => [

                    'className' => '\\Bitrix\\Main\\DB\\MysqliConnection',

                    'host' => 'db',

                    'port' => 3306,

                    'database' => 'load',

                    'login' => 'load',

                    'password' => '0kjNRU2rTaFHQMb1bFEB',

                    'options' => 2,

                ],

            ],

        ]

    ]);

}

return $settings;