@Test
public void computeWarningMessageForAddLinkCheck_shouldReturnStartgroupUsersCanCommunicate_GivenSenderOutgoingAndReceiverBoth() {

    Assert.assertEquals(CommunicationService.WARNING_STARTGROUP_USERS_CAN_COMMUNICATE,
            this.service.computeWarningMessageForAddLinkCheck(CommunicationService.Direction.OUTGOING, CommunicationService.Direction.BOTH));
}