Make collection test more explicit.
Make collection test more explicit.

originell/jpype,Cosmius/jpype,Cosmius/jpype,Cosmius/jpype,rrader/jpype,icedwater/jpype,Cosmius/jpype,icedwater/jpype,originell/jpype,originell/jpype,rrader/jpype,icedwater/jpype,rrader/jpype,icedwater/jpype,ktan2020/jpype,originell/jpype,ktan2020/jpype,ktan2020/jpype,rrader/jpype,ktan2020/jpype,originell/jpype