message: response - not.null
diff: @@ -570,7 +570,7 @@ export default class BillingTestHelper {
  await this.sendStatusNotification(connectorId, stopDate.clone().add(30, 'minutes').toDate(), ChargePointStatus.AVAILABLE);
  // SOFT STOP TRANSACTION
  const stopTransactionResponse = await this.chargingStationContext.softStopTransaction(transactionId);
  - expect(stopTransactionResponse).to.be.transactionStatus('Accepted');
  + expect(stopTransactionResponse).to.be.not.null;
  } else {
  // #end
  const stopTransactionResponse = await this.chargingStationContext.stopTransaction(transactionId, tagId, meterStop, stopDate.toDate());
  