r314886: pwait: Add a -t flag to specify a timeout before exiting, and tests. r314943: Remove unneeded -x from tests. r314944: Rename some tests to end in _test.
r314886: pwait: Add a -t flag to specify a timeout before exiting, and tests. r314943: Remove unneeded -x from tests. r314944: Rename some tests to end in _test.