context.setObjectPart(WSIFConstants.CONTEXT_OPERATION_STYLE, WSIFConstants.CONTEXT_OPERATION_STYLE_WRAPPED);
service.setContext(context);
Doc_TestPortType stub = (Doc_TestPortType) service.getStub(portName, Doc_TestPortType.class);
SingleTag_Type stet = new SingleTag_Type();
SingleTag_Type response = stub.singleTag(stet);
assertNotNull("response is null!!!", response);
} catch (Exception ex) {
ex.printStackTrace();