try {
String xPathExpr = seperator + seperator + nsPrefix + colon + echoDecimalResponse +
seperator + ret + seperator + textNodeSelector;
AXIOMXPath xpath = new AXIOMXPath(xPathExpr);
addNamespaces(xpath);
OMText textElem = (OMText)xpath.selectSingleNode(payload);
assertNotNull(textElem);
assertEquals(textElem.getText(), WhiteMesaConstants.ECHO_DECIMAL);
} catch (JaxenException e) {
throw AxisFault.makeFault(e);