public function testMergeUnmodified_WithDots_ExistedKey()
{
$structure = new Structure();
$structure->mergeUnmodified(array('param' => array('sub1' => 'value1')));
$structure->mergeUnmodified(array('param' => array('sub2' => 'value2')));
$this->assertEquals(array('param' => array('sub1' => 'value1', 'sub2' => 'value2')), $structure->toArray());
}