Init ApiTestCase

composer.json

@@ -76,6 +76,7 @@
         "symfony/css-selector": "^6.4 || ^7.1",
         "symfony/dependency-injection": "^6.4 || ^7.1",
         "symfony/dotenv": "^6.4 || ^7.1",
+        "symfony/http-client": "^6.4 || ^7.1",
         "symfony/http-kernel": "^6.4 || ^7.1",
         "symfony/messenger": "^6.4 || ^7.1",
         "symfony/security-bundle": "^6.4 || ^7.1",
@@ -130,7 +131,8 @@
             "Sylius\\Component\\Resource\\spec\\": "src/Component/legacy/spec/",
             "Sylius\\Component\\Resource\\Tests\\": "src/Component/legacy/tests/",
             "Sylius\\Resource\\Tests\\": "src/Component/tests/",
-            "App\\": "tests/Application/src/"
+            "App\\": "tests/Application/src/",
+            "Tests\\": "tests/"
         }
     },
     "scripts": {

tests/ApiTestCase.php

@@ -0,0 +1,49 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Sylius Sp. z o.o.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Tests;
+
+use Coduo\PHPMatcher\Backtrace\VoidBacktrace;
+use Coduo\PHPMatcher\Factory\MatcherFactory;
+use Coduo\PHPMatcher\Matcher;
+use Coduo\PHPMatcher\PHPUnit\PHPMatcherAssertions;
+use Symfony\Bundle\FrameworkBundle\KernelBrowser;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+abstract class ApiTestCase extends WebTestCase
+{
+    use PHPMatcherAssertions;
+
+    protected KernelBrowser $client;
+
+    protected Matcher $matcher;
+
+    protected function setUp(): void
+    {
+        $this->client = self::createClient();
+        $this->matcher = self::createMatcher();
+    }
+
+    protected static function createMatcher(): Matcher
+    {
+        return (new MatcherFactory())->createMatcher(new VoidBacktrace());
+    }
+
+    protected function assertResponseMatchesPattern(string $pattern): void
+    {
+        $response = $this->client->getResponse();
+        $content = $response->getContent();
+
+        self::assertMatchesPattern($pattern, $content);
+    }
+}