829.0: Fix racey ProcessTest. (#69)
* Fix racey ProcessTest. The signal may have been delivered to tested sh process after a syscall to exit(0), so the tests may have been flaky. * Added a FIXME for ProcessTest.Process*
* Fix racey ProcessTest. The signal may have been delivered to tested sh process after a syscall to exit(0), so the tests may have been flaky. * Added a FIXME for ProcessTest.Process*