Added comment explaining the unit test split
Added comment explaining the unit test split

KjellKod/FileIO,john-gress/FileIO,LogRhythm/FileIO,weberr13/FileIO,john-gress/FileIO,LogRhythm/FileIO,KjellKod/FileIO,craig-cogdill/FileIO,weberr13/FileIO,craig-cogdill/FileIO