Make sure latest version of pytest is used
Make sure latest version of pytest is used

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