Fixes and updates for ERG unittest
Fixes and updates for ERG unittest

pshowalter/solutions-geoprocessing-toolbox,jfrygeo/solutions-geoprocessing-toolbox,jfrygeo/solutions-geoprocessing-toolbox,Esri/solutions-geoprocessing-toolbox,jfrygeo/solutions-geoprocessing-toolbox,pshowalter/solutions-geoprocessing-toolbox,pshowalter/solutions-geoprocessing-toolbox