<?xml version='1.0' standalone='yes'?>
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope"> 
 <env:Header>
  <test:echoOk xmlns:test="http://example.org/ts-tests"
        env:role="http://www.w3.org/2003/05/soap-envelope/role/next">
    foo
  </test:echoOk>
 </env:Header>
 <env:Body>
 </env:Body>
</env:Envelope>