    public function testFormsCsrfIsEnabledByDefault()
    {
        if (class_exists(FullStack::class)) {
            $this->markTestSkipped('testing with the FullStack prevents verifying default values');
        }
        $container = $this->createContainerFromFile('form_default_csrf');

        $this->assertTrue($container->hasDefinition('security.csrf.token_manager'));
        $this->assertTrue($container->hasParameter('form.type_extension.csrf.enabled'));
        $this->assertTrue($container->getParameter('form.type_extension.csrf.enabled'));
    }
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.