public function testMergeUnmodified_WithoutDots_NewKey()
{
$structure = new Structure();
$structure->mergeUnmodified(array('param1' => 'value1'));
$structure->mergeUnmodified(array('param2' => 'value2'));
$this->assertEquals(array('param1' => 'value1', 'param2' => 'value2'), $structure->toArray());
}