Settle dispute

<blockquote><strong>Important:</strong> This method is for sandbox use only.</blockquote> Settles a dispute in either the customer's or merchant's favor. Merchants can make this call in the sandbox to complete end-to-end dispute resolution testing, which mimics the dispute resolution that PayPal agents normally complete. To make this call, the dispute <code>status</code> must be <code>UNDER_REVIEW</code> and <code>adjudicate</code> link should be available in the <a href="/docs/api/customer-disputes/v1/#disputes_get!c=200&path=links&t=response/">HATEOAS links</a> of the <a href="/docs/api/customer-disputes/v1/#disputes_get">show dispute details</a> response.