public async Task <IHttpActionResult> ListEmployees()
 {
     try
     {
         return(Json(await employeeApplicationServiceRest.ListEmployees()));
     }
     catch (Exception ex)
     {
         return(BadRequest(ex.Message));
     }
 }
        public async Task ThereAreTwoEmployees()
        {
            var employees = await employeeApplicationServiceRest.ListEmployees();

            Assert.That(employees.Count(), Is.EqualTo(2));
        }