@Override
                            public void failure(int status) {
                                subj.onError(
                                        new BleGattDescriptorException(null, descriptor, status, BleGattOperationType.DESCRIPTOR_WRITE)
                                );
                            }
Value used to disable notifications or indicatinos
mockrxandroidble/src/main/java/com/polidea/rxandroidble2/mockrxandroidble/RxBleConnectionMock.java