Update l2ss-py autotest test so it sends a message, warning the user if the umm-v coordinates are not setup properly (or missing)

[jamesfwood]

We need this so we can see the issue directly in the github action instead of having to run the harmony request ourselves and look through the harmony error logs.

Should add it around here:
https://github.com/podaac/l2ss-py-autotest/blob/main/tests/verify_collection.py#L373

Not all DAACs will require umm-v cooridnates to be defined so we will just send a warning instead of failing. Unless all DAACs should have them defined. If so, then we should error early because of this.