Update Argo_impossible_date_test.py
Update Argo_impossible_date_test.py

Updated the year criterion so that the test can be used for all data types, not just Argo data which are only available in recent years.
castelao/AutoQC,s-good/AutoQC,BillMills/AutoQC,IQuOD/AutoQC,BillMills/AutoQC,s-good/AutoQC,IQuOD/AutoQC