modules/integration/test-resources/SOAP12Testing/RequestMessages/SOAP12ReqT30.xml

<?xml version='1.0' ?>
<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope">
  <env:Body>
    <test:echoOk xmlns:test="http://example.org/ts-tests">
      foo
    </test:echoOk>
  </env:Body>
</env:Envelope>