改變sandbox testuser feedback score

原來可以出cheat 自行調教feedback score... 當然是在sandbox
api 名為 ValidateTestUserRegistration

<?xml version="1.0" encoding="utf-8"?>
<ValidateTestUserRegistrationRequest xmlns="urn:ebay:apis:eBLBaseComponents">
  <!-- Standard Input Fields -->
  <FeedbackScore>500</FeedbackScore>
  <RequesterCredentials>
    <eBayAuthToken>token</eBayAuthToken>
  </RequesterCredentials>
</ValidateTestUserRegistrationRequest>