public void DeleteAnAuthor_RedirectToPage_POST()
{
// arrange
var mock2 = new Mock <IConfiguration>();
var mock = new Mock <ILibService>();
AuthorController controller = new AuthorController(mock.Object, mock2.Object);
// act
RedirectToPageResult result = controller.RedirectToPage("DeleteAnAuthor");
//assert
Assert.IsNotNull(result);
Assert.That(result.PageName, Is.EqualTo("DeleteAnAuthor"));
}