public ConcursoServicesShould()
        {
            _sut = new ConcursoServices();
            _concursoRepository = new ConcursosRepository();
            var proveedor = new Proveedor
            {
                Celular     = "1234",
                Direccion   = "Direccion",
                RazonSocial = "Empresa",
                Telefono    = "123456"
            };

            proveedors.Add(proveedor);
            (new ProveedoresServices().Registrar(proveedor, "*****@*****.**", "12345")).GetAwaiter().GetResult();
            _newConcurso = new Concurso(1234, "Test", new DateTime(2019, 2, 2), new DateTime(2019, 2, 4), false, "Descripion");
        }