public function testSetReplaceArray()
{
$config = array('one' => array('two' => array('three' => 'value')));
$expected = array('one' => array('two' => array('three' => array('four' => 'hello world'))));
$returnVal = Config::set($config, 'one.two.three', array('four' => 'hello world'));
$this->assertEquals($expected, $returnVal);
$this->assertEquals($expected, $config);
}
