public void DeleteRole()
        {
            unitOfWork.Data       = Utils.CreateAdminAndUser();
            unitOfWork.Data.Roles = new List <Role>
            {
                new Role {
                    id = 1, name = "admin"
                },
                new Role {
                    id = 4, name = "restricted"
                }
            };

            controller.Request.Headers.Authorization = new AuthenticationHeaderValue("jwt", "2");
            var result = controller.DeleteRole(1);

            Assert.IsInstanceOfType(result, typeof(UnauthorizedResult));

            controller.Request.Headers.Authorization = new AuthenticationHeaderValue("jwt", "1");
            result = controller.DeleteRole(1);
            Utils.AssertRequestMessageAndStatus(result, HttpStatusCode.BadRequest);

            result = controller.DeleteRole(4);
            Assert.AreEqual(true, result);
        }