public async void DeleteDocumentTypeWithIncorrectIdReturnsNotFound()
        {
            using (var context = DbTestContext.GenerateContextWithData())
                using (var controller = new DocumentTypesController(context, _mapper))
                {
                    var result = await controller.DeleteDocumentType(99);

                    Assert.IsType <NotFoundResult>(result);
                }
        }
        public async void DeleteDocumentTypeModelStateErrorReturnsBadRequest()
        {
            using (var context = DbTestContext.GenerateContextWithData())
                using (var controller = new DocumentTypesController(context, _mapper))
                {
                    controller.ModelState.AddModelError("an error", "some error");

                    var result = await controller.DeleteDocumentType(1);

                    Assert.IsType <BadRequestObjectResult>(result);
                }
        }
        public async void DeleteDocumentTypeIdDeletesDocumentType()
        {
            using (var context = DbTestContext.GenerateContextWithData())
                using (var controller = new DocumentTypesController(context, _mapper))
                {
                    var result = await controller.DeleteDocumentType(3);

                    DocumentTypeDto p3 = GetTestDocumentTypeDto(3);

                    Assert.NotNull(result);
                    var okObjectResult = Assert.IsType <OkObjectResult>(result);
                    var resultValue    = okObjectResult.Value;
                    Assert.Equal(p3, resultValue);
                }
        }