Fakerino\Configuration\FakerinoConf::loadConfiguration PHP Method

    public function loadConfiguration()
    {
        if (empty($this->conf)) {
            $this->conf = $this->loadDefault();
        } else {
            $this->conf = array_merge(self::loadDefault(), $this->conf);
        }
        return $this->conf;
    }

 public function testAdditionalConfValues()
 {
     $testAdditional = array('test' => 1);
     $this->default = array_merge($this->default, $testAdditional);
     FakerinoConf::loadConfiguration($testAdditional);
     $this->assertEquals(array_keys($this->default), array_keys(FakerinoConf::toArray()));
 }