test/run-fail
ignore process-envs.rs and process-remove-from-env.rs as there is no 'env' on vxWorks
ignore wait-forked-but-failed-child.rs as there is no command 'ps' on vxWorks ignore process-sigpipe.rs as there is no 'sh' on vxWorks ignore core-run-destroy.rs as there is no 'cat' and 'sleep' on vxWorks