Calculator example

private SalesChannelContext $context;

    protected function setUp(): void
    {
        $cashRounding = new CashRounding();
        $percentageTaxRuleBuilder = new PercentageTaxRuleBuilder();
        $quantityPriceCalculator = new QuantityPriceCalculator(
            new GrossPriceCalculator(new TaxCalculator(), $cashRounding),
            new NetPriceCalculator(new TaxCalculator(), $cashRounding),
        );
        $this->calculator = new Calculator(
            $quantityPriceCalculator,
            new PercentagePriceCalculator($cashRounding, $quantityPriceCalculator, $percentageTaxRuleBuilder),
            new AbsolutePriceCalculator($quantityPriceCalculator, $percentageTaxRuleBuilder)
        );

        $this->context = $this->createMock(SalesChannelContext::class);
        $this->context->method('getItemRounding')->willReturn(new CashRoundingConfig(2, 0.01, true));
    }

    public function testCalculateSimplePrice(): void
    {