Update the unit test to use the correct file (single or double precision)

Data/test20k.bin.fma

Data/test20k.bin.fma.double

Data/test20k.bin.fma.single

Data/utestDirect.bin.fma.double

Data/utestDirect.bin.fma.single

Data/utestSphericalDirect.bin.fma

Data/utestSphericalPrevious.data.double

Data/utestSphericalPrevious.data.single

Tests/Kernels/testSphericalProcAlgorithm.cpp

Tests/Utils/testFmmAlgorithmProc.cpp

Tests/Utils/testLoaderFMABinCreate.cpp

UTests/utestChebyshevDirect.cpp

UTests/utestRotationDirect.cpp

UTests/utestSphericalDirect.cpp

UTests/utestSphericalWithPrevious.cpp