PCE: debug PCE input testing, Issue #36
PCE: debug PCE input testing, Issue #36

The PCE input tests had always run on the input even if PCE
was not being used.  This should not be the case.  As of this
commit the PCE tests are only performed if PCE is chosen.

zat1gi/stochastic,zat1gi/stochastic,zat1gi/stochastic,zat1gi/stochastic