Remove test scope from HDF5 backends.
Remove test scope from HDF5 backends.

xuzhongxing/deeplearning4j,crockpotveggies/deeplearning4j,crockpotveggies/deeplearning4j,xuzhongxing/deeplearning4j,xuzhongxing/deeplearning4j,xuzhongxing/deeplearning4j,crockpotveggies/deeplearning4j,crockpotveggies/deeplearning4j,crockpotveggies/deeplearning4j,xuzhongxing/deeplearning4j,xuzhongxing/deeplearning4j,crockpotveggies/deeplearning4j