public function testApiMerge_MergesConfigOnTopOfExistsing()
{
$config = $this->createConfig();
$old = $config->getConfiguration();
$new = ['b' => ['b' => 'new_Option'], 'h' => 'test', 'a' => 5];
$config->merge($new);
$merger = new OverwriteMerger();
$this->assertSame($merger($old, $new), $config->getConfiguration());
}