wait for child-processes to terminate in tests that use forking
wait for child-processes to terminate in tests that use forking

vogdb/cm,vogdb/cm,cargomedia/CM,vogdb/cm,cargomedia/CM,vogdb/cm,fauvel/CM,fauvel/CM,njam/CM,fauvel/CM,njam/CM,vogdb/cm,cargomedia/CM,njam/CM,fauvel/CM,fauvel/CM,njam/CM,cargomedia/CM,njam/CM