function updateDomainNameservers()
 {
     $Domain = $this->Registry->NewDomainInstance();
     $Domain->Name = 'eppinfodomain';
     $NSEx1 = new Nameserver('ns1.eppinfodomain.info');
     $NSEx2 = new Nameserver('ns2.eppinfodomain.info');
     $Changes = new Changelist(array($NSEx1, $NSEx2));
     $Changes->Add($this->NSList[0]);
     $Changes->Add($this->NSList[1]);
     $Changes->Remove($NSEx1);
     $Changes->Remove($NSEx2);
     $Resp = $this->Module->UpdateDomainNameservers($Domain, $Changes);
     $this->assertTrue($Resp->Succeed(), 'Change Domain Name Servers');
 }