T/ndbench/driver/initfromscript`, {
                            method: 'POST',
                            body: requestBody,
                        });
                    }

                    // The Driver connection API call for all other Driver types
                    return fetch(
                        `//${instanceHost}/REST/ndbench/driver/init/${this._selectedDriver}`);
                });

                Promise.all(requests)
                    .then(responses => {
                        