def METHOD_NAME(self):
    app1_wb_count = len(self.app1.books)
    app2_wb_count = len(self.app2.books)
    wb2 = self.app1.books.add()
    wb3 = self.app2.books.add()
    wb4 = self.app2.books.add()
    wb5 = self.app2.books.add()
    self.assertEqual(len(self.app1.books), app1_wb_count + 1)
    self.assertEqual(len(self.app2.books), app2_wb_count + 3)
    wb2.close()
    wb3.close()
    wb4.close()
    wb5.close()