ticketsPriceCalculator_edgeCase.test.ts

  test("should apply 10% discount if there are exactly 5 business class tickets", () => {
    const tickets = Array.from({ length: 5 }, () => ({
      price: 10,
      isBusinessClass: true,
    }));

    const totalPrice = calculator.calculateTotalTicketsPrice(tickets);
    expect(totalPrice).toBe(45); // 10% discount
  });