function it_should_add_a_comment()
{
$this->addComment('test')->shouldReturnAnInstanceOf('LdapTools\\Ldif\\Entry\\LdifEntryModDn');
$this->getComments()->shouldHaveCount(1);
$this->addComment('foo', 'bar');
$this->getComments()->shouldHaveCount(3);
$this->getComments()->shouldBeEqualTo(['test', 'foo', 'bar']);
}