Make sure init is called in C-API unit test
Make sure init is called in C-API unit test

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