FluidTYPO3\Flux\Tests\Unit\FormTest::canCreateAndAddContainer PHP Method

    public function canCreateAndAddContainer()
    {
        $form = $this->getEmptyDummyForm();
        $container = $form->createContainer('Section', 'section');
        $form->add($container);
        $this->assertTrue($form->last()->has('section'));
        $this->assertIsValidAndWorkingFormObject($form);
    }