[#1940] unit tests for group operations
[#1940] unit tests for group operations

RENCI/xDCIShare,hydroshare/hydroshare,RENCI/xDCIShare,ResearchSoftwareInstitute/MyHPOM,hydroshare/hydroshare,ResearchSoftwareInstitute/MyHPOM,hydroshare/hydroshare,hydroshare/hydroshare,RENCI/xDCIShare,RENCI/xDCIShare,RENCI/xDCIShare,hydroshare/hydroshare,ResearchSoftwareInstitute/MyHPOM,ResearchSoftwareInstitute/MyHPOM,ResearchSoftwareInstitute/MyHPOM