public function testSetValueNullRemovesKey()
{
$default = 'default';
$this->mockValue = null;
$this->setMockWriteExpectation($this->once());
$this->config->set($this->key, $this->mockValue);
$value = $this->config->get($this->key, $default);
$this->assertEquals($default, $value);
}
/**
* Clear the cache of the configuration
* @return null
*/
public function clearConfigCache()
{
$this->config->clearCache();
}