sendDdaRequired(identifier);
readMessage(() -> matchesTestDDARequest(ddaFile));
sendTestDDAReply(ddaFile.getParent(), new File(ddaFile + ".foo"));
sendDdaRequired(identifier);
readMessage(() -> matchesTestDDARequest(ddaFile));
sendTestDDAReply(ddaFile.getParent(), new File(ddaFile + ".foo"));