def test_book_merge_two_books_with_duplicated_entries(self):
book1 = Book()
book2 = Book()
en1 = address.entry.Entry("Stephanie","Nichols","3018 Annamark Lane")
en2 = address.entry.Entry("stephanie","nichols","3018 annamark lane")
en3 = address.entry.Entry("Stephanie","Nichols","3018 Annamark Lane")
en4 = address.entry.Entry("Thomas","Meyer","3018 Annamark Lane")
book1.add_entry(en1)
book1.add_entry(en2)
book2.add_entry(en3)
book2.add_entry(en4)
book1.merge(book2)
self.assertEquals(len(book1), 3)
