public async void CopyFromChangeset_ReturnsBadRequest_For_UnmanageableException()
        {
            var serviceMock = new Mock <IHistoricalCrudService <TestEntity> >();

            serviceMock.Setup(_ => _.CopyFromChangeset(It.IsAny <Guid>(), It.IsAny <Guid>())).ThrowsAsync(new Exception());
            var controller = new HistoricalCrudController <Guid, TestEntity>(null, serviceMock.Object);

            var actionResult = await controller.CopyFromChangeset(_entity.Id, new Guid());

            Assert.IsType <BadRequestObjectResult>(actionResult.Result);
            serviceMock.Verify(_ => _.CopyFromChangeset(It.IsAny <Guid>(), It.IsAny <Guid>()), Times.Once);
        }
        public async void CopyFromChangeset_ReturnsOk()
        {
            var serviceMock = new Mock <IHistoricalCrudService <TestEntity> >();

            serviceMock.Setup(_ => _.CopyFromChangeset(It.IsAny <Guid>(), It.IsAny <Guid>())).ReturnsAsync(_entity);
            var controller = new HistoricalCrudController <Guid, TestEntity>(null, serviceMock.Object);

            var actionResult = await controller.CopyFromChangeset(_entity.Id, new Guid());

            Assert.IsType <CreatedAtActionResult>(actionResult.Result);
            serviceMock.Verify(_ => _.CopyFromChangeset(It.IsAny <Guid>(), It.IsAny <Guid>()), Times.Once);
        }