[Tax rate][Behat] Add include tax rate step in add tax feature

features/taxation/managing_tax_rates/adding_tax_rate.feature

@@ -90,3 +90,4 @@ Feature: Adding a new tax rate
         And I add it
         Then I should be notified that it has been successfully created
         And the tax rate "United States Sales Tax" should appear in the registry
+        And the tax rate "United States Sales Tax" should be included in price

src/Sylius/Behat/Context/Ui/Admin/ManagingTaxRateContext.php

@@ -14,7 +14,6 @@
 namespace Sylius\Behat\Context\Ui\Admin;
 
 use Behat\Behat\Context\Context;
-use Sylius\Behat\Element\Admin\TaxRate\FilterElementInterface;
 use Sylius\Behat\Page\Admin\Crud\IndexPageInterface;
 use Sylius\Behat\Page\Admin\TaxRate\CreatePageInterface;
 use Sylius\Behat\Page\Admin\TaxRate\UpdatePageInterface;

src/Sylius/Behat/Page/Admin/TaxRate/UpdatePage.php

@@ -26,6 +26,11 @@ public function removeZone(): void
         $this->getDocument()->selectFieldOption('Zone', 'Select');
     }
 
+    public function isIncludedInPrice(): bool
+    {
+        return (bool) $this->getElement('includedInPrice')->getValue();
+    }
+
     protected function getCodeElement(): NodeElement
     {
         return $this->getElement('code');
@@ -40,6 +45,7 @@ protected function getDefinedElements(): array
             'code' => '#sylius_tax_rate_code',
             'name' => '#sylius_tax_rate_name',
             'zone' => '#sylius_tax_rate_zone',
+            'includedInPrice' => '#sylius_tax_rate_includedInPrice'
         ]);
     }
 }