alter a test to use double precision because of sporadic atomic rounding errors (#424)
alter a test to use double precision because of sporadic atomic rounding errors (#424)

Co-authored-by: jsandham <ad12dc5c54fba420b6fb14dd14030c513164f043@amd.com>
ROCmSoftwarePlatform/rocSPARSE,ROCmSoftwarePlatform/rocSPARSE,ROCmSoftwarePlatform/rocSPARSE,ROCmSoftwarePlatform/rocSPARSE