public async Task Update_Book_WordCount()
{
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.WordCount.Should().Be(61_500);
await BookHelpers.UpdateWordCount(sut.Id, 150_600);
await _fixture.Context.Entry(sut).ReloadAsync();
sut.WordCount.Should().Be(150_600);
sut.Id.Should().Be(bookId);
}