Randomize upper bound value when testing bounded priors.
Randomize upper bound value when testing bounded priors.

SheffieldML/forkedGPmat,SheffieldML/forkedGPmat,SheffieldML/forkedGPmat,lawrennd/GPmat,lawrennd/GPmat,lawrennd/GPmat,SheffieldML/forkedGPmat,SheffieldML/forkedGPmat,SheffieldML/forkedGPmat