public async Task Update_Book_Description()
{
var book = await BookHelpers.CreateValidBookWithAllProperties();
var repository = new BookRepository(_fixture.Context);
(await repository.ExistsAsync(book.Id)).Should().BeTrue();
var sut = await repository.GetAsync(book.Id);
var bookId = sut.Id;
sut.Should().NotBeNull();
sut.Description.Should().Be("description");
await BookHelpers.UpdateDescription(sut.Id, "Could I please have book number three?");
await _fixture.Context.Entry(sut).ReloadAsync();
sut.Description.Should().Contain("Could I please");
sut.Id.Should().Be(bookId);
}