public function testSuggestions()
{
$opt = new Option('scope');
$opt->suggestions(['public', 'private']);
$this->assertNotEmpty($opt->getSuggestions());
$this->assertSame(['public', 'private'], $opt->getSuggestions());
$opt->setValue('public');
$opt->setValue('private');
$this->assertEquals('private', $opt->value);
$this->assertEquals('--scope=[public,private]', $opt->renderReadableSpec(true));
}