From a18c510c8dfefd02d6aae82380d17010f93562ca Mon Sep 17 00:00:00 2001
From: core23 <mail@core23.de>
Date: Sun, 13 Feb 2022 13:22:48 +0100
Subject: [PATCH] KernelTestCase resets internal state on tearDown

---
 .../FrameworkBundle/Test/KernelTestCase.php    |  1 +
 .../Functional/TestServiceContainerTest.php    | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php b/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php
index 442649ac1bac4..b87018bbd6b3f 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php
@@ -44,6 +44,7 @@ abstract class KernelTestCase extends TestCase
     private function doTearDown()
     {
         static::ensureKernelShutdown();
+        static::$class = null;
         static::$kernel = null;
         static::$booted = false;
     }
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/TestServiceContainerTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/TestServiceContainerTest.php
index bf4f9f8779f44..4122a749dfd1d 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/TestServiceContainerTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/TestServiceContainerTest.php
@@ -44,4 +44,22 @@ public function testThatPrivateServicesAreAvailableIfTestConfigIsEnabled()
         $this->assertTrue(static::$container->has('private_service'));
         $this->assertFalse(static::$container->has(UnusedPrivateService::class));
     }
+
+    /**
+     * @doesNotPerformAssertions
+     */
+    public function testBootKernel()
+    {
+        static::bootKernel(['test_case' => 'TestServiceContainer']);
+    }
+
+    /**
+     * @depends testBootKernel
+     */
+    public function testKernelIsNotInitialized()
+    {
+        self::assertNull(self::$class);
+        self::assertNull(self::$kernel);
+        self::assertFalse(self::$booted);
+    }
 }