public function testDumpWithQuotes()
 {
     $Cyps = new Cyps();
     $Cyps->setting_dump_force_quotes = true;
     foreach ($this->files_to_test as $file) {
         $yaml = $Cyps->load(file_get_contents($file));
         $dump = $Cyps->dump($yaml);
         $yaml_after_dump = Cyps::YAMLLoad($dump);
         $this->assertEquals($yaml, $yaml_after_dump);
     }
 }