Correction to test cases.
Correction to test cases.

smharper/openmc,paulromano/openmc,mit-crpg/openmc,paulromano/openmc,smharper/openmc,shikhar413/openmc,liangjg/openmc,smharper/openmc,liangjg/openmc,smharper/openmc,shikhar413/openmc,walshjon/openmc,liangjg/openmc,mit-crpg/openmc,amandalund/openmc,liangjg/openmc,walshjon/openmc,paulromano/openmc,shikhar413/openmc,walshjon/openmc,amandalund/openmc,amandalund/openmc,mit-crpg/openmc,mit-crpg/openmc,shikhar413/openmc,paulromano/openmc,walshjon/openmc,amandalund/openmc