onTransition example

$this->validator = $this->createMock(ValidatorInterface::class);
        $roleHierarchy = new RoleHierarchy([]);
        $this->listener = new GuardListener($this->configuration, $expressionLanguage, $tokenStorage, $this->authenticationChecker, $trustResolver, $roleHierarchy, $this->validator);
    }

    public function testWithNotSupportedEvent()
    {
        $event = $this->createEvent();
        $this->configureAuthenticationChecker(false);
        $this->configureValidator(false);

        $this->listener->onTransition($event, 'not supported');

        $this->assertFalse($event->isBlocked());
    }

    public function testWithSecuritySupportedEventAndReject()
    {
        $event = $this->createEvent();
        $this->configureAuthenticationChecker(true, false);

        $this->listener->onTransition($event, 'test_is_granted');