$form->add('status', ChoiceType::class, [
    'label' => 'Status',
    'choices' => [
        'error' => 'Error',
        'ok' => 'This is ok'
    ]
]);

$form = $crawler->form();
$form['form[status]']->selectByText('This is ok');

private function formSelectChoose(ChoiceFormField $formField, string $value, Crawler $crawler )
{
    $name = $formField->getName();
    $select = $crawler->filter('select[name="'.$name.'"]')->first();
    foreach($select->filter('option') as $option) {
        print $option->textContent ."\n";
        if (trim($option->textContent) == $value) {
            $formField->select($option->getAttribute('value'));
            return;
        }
    }
    throw new \Exception("Could not find option $value");
}