public void PostAuthorTest_InsertNewAuthor()
        {
            var     data       = GetFakeAuthor(10);
            var     expected   = "New Actor";
            dynamic jsonObject = new JObject();

            jsonObject.name = expected;

            var context = CreateDbContext(data);
            var service = new BookStoreService(context.Object);

            // act
            service.PostAuthorService(jsonObject);
            var actual = service.GetAuthorService(expected).Count();

            // assert
            Assert.Equal(1, actual);
        }