public void SaveAuthorTest()
{
IAuthorService authorService = new AuthorService();
Author author = authorService.GetAuthor("172-32-1176");
Assert.AreNotEqual(author, null,"Author fetched Successfully");
author.FirstName = "Johns";
authorService.Save(author);
Author author1 = authorService.GetAuthor("172-32-1176");
Assert.AreEqual(author1.FirstName, author.FirstName, "Changes to Author saved and validated"); ;
}