I am afraid I do not really understand your problem. I don't know anything about StationEvalCt.TcPOU. So I am quite sure the new OES version does not change anything about this, whatever it is.
OES does not bring XmlCommTester, if that is what you mean. Can you continue using the version you have or is there a problem?
About the subject of your post: What are the issues you encountered?
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