More updates to CAD test. Attempt at skip if DAGMC is not enabled. Attempting to add local directory to path.
More updates to CAD test. Attempt at skip if DAGMC is not enabled. Attempting to add local directory to path.

johnnyliu27/openmc,wbinventor/openmc,mit-crpg/openmc,wbinventor/openmc,paulromano/openmc,paulromano/openmc,smharper/openmc,amandalund/openmc,wbinventor/openmc,amandalund/openmc,shikhar413/openmc,amandalund/openmc,johnnyliu27/openmc,paulromano/openmc,shikhar413/openmc,amandalund/openmc,mit-crpg/openmc,liangjg/openmc,walshjon/openmc,mit-crpg/openmc,walshjon/openmc,shikhar413/openmc,paulromano/openmc,walshjon/openmc,shikhar413/openmc,johnnyliu27/openmc,smharper/openmc,liangjg/openmc,mit-crpg/openmc,smharper/openmc,walshjon/openmc,liangjg/openmc,johnnyliu27/openmc,liangjg/openmc,wbinventor/openmc,smharper/openmc