Fix some test failures on Windows because wait_for_pid() was not used.
Fix some test failures on Windows because wait_for_pid() was not used.

git-svn-id: 9f18dd852162ff6c59c5533c0914e9cf81af9e7c@690 d8a29897-7e4b-0410-a74a-8bb4c295346f

hybridlogic/psutil,hybridlogic/psutil,tamentis/psutil,tamentis/psutil,hybridlogic/psutil