Revert "Update random number generator test"
Revert "Update random number generator test"

This reverts commit b63bda37aa2e9b5251cf6c54d59785d2856659ca.

sxjscience/mxnet,sxjscience/mxnet,sxjscience/mxnet,sxjscience/mxnet,sxjscience/mxnet,sxjscience/mxnet,sxjscience/mxnet,sxjscience/mxnet,sxjscience/mxnet