TestRKAB: Changed the pseudo random noise function to contain values … #1369

Job	Run time
download-build-test (cpu, real32, debug)	12m 11s
download-build-test (cpu, real64, debug)	12m 27s
download-build-test (cpu, real64, optimize)	18m 5s
download-build-test (cuda, real32, debug)	23m 25s
download-build-test (cuda, real64, debug)	24m 15s
download-build-test (cuda, real64, optimize)	23m 35s
download-build-test (rocm, real64, optimize)	20m 10s
	2h 14m 8s

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