public void BooksConstructorTest()
{
string initValue = "A,B,c";
Books target = new Books(initValue);
Assert.AreEqual(target.Value, initValue, "object should have same value after construction");
}
public void BooksConstructorTest1()
{
Books target = new Books();
Assert.AreEqual(target.Value, null, "Book value should be null after construction");
}