do not use PHPUnit mock objects without configured expectations

Author: xabbuh

Tests/Command/ErrorDumpCommandTest.php

@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\ErrorHandler\Tests\Command;
 
-use PHPUnit\Framework\MockObject\MockObject;
 use Symfony\Bundle\FrameworkBundle\Console\Application;
 use Symfony\Bundle\TwigBundle\Tests\TestCase;
 use Symfony\Component\Console\Tester\CommandTester;
@@ -37,7 +36,7 @@ protected function setUp(): void
 
     public function testDumpPages()
     {
-        $tester = $this->getCommandTester($this->getKernel(), []);
+        $tester = $this->getCommandTester($this->createStub(KernelInterface::class), []);
         $tester->execute([
             'path' => $this->tmpDir,
         ]);
@@ -52,7 +51,7 @@ public function testDumpPagesOnlyForGivenStatusCodes()
         $fs->mkdir($this->tmpDir);
         $fs->touch($this->tmpDir.\DIRECTORY_SEPARATOR.'test.html');
 
-        $tester = $this->getCommandTester($this->getKernel());
+        $tester = $this->getCommandTester($this->createStub(KernelInterface::class));
         $tester->execute([
             'path' => $this->tmpDir,
             'status-codes' => ['400', '500'],
@@ -71,7 +70,7 @@ public function testForceRemovalPages()
         $fs->mkdir($this->tmpDir);
         $fs->touch($this->tmpDir.\DIRECTORY_SEPARATOR.'test.html');
 
-        $tester = $this->getCommandTester($this->getKernel());
+        $tester = $this->getCommandTester($this->createStub(KernelInterface::class));
         $tester->execute([
             'path' => $this->tmpDir,
             '--force' => true,
@@ -81,11 +80,6 @@ public function testForceRemovalPages()
         $this->assertFileExists($this->tmpDir.\DIRECTORY_SEPARATOR.'404.html');
     }
 
-    private function getKernel(): MockObject&KernelInterface
-    {
-        return $this->createMock(KernelInterface::class);
-    }
-
     private function getCommandTester(KernelInterface $kernel): CommandTester
     {
         $errorRenderer = $this->createStub(ErrorRendererInterface::class);
@@ -99,7 +93,7 @@ private function getCommandTester(KernelInterface $kernel): CommandTester
             })
         ;
 
-        $entrypointLookup = $this->createMock(EntrypointLookupInterface::class);
+        $entrypointLookup = $this->createStub(EntrypointLookupInterface::class);
 
         $application = new Application($kernel);
         $application->add(new ErrorDumpCommand(