Extend the grid-proxy-init tests to destroy a pre-existing proxy first, then test for failure without a password.  Tidied up a bit.
Extend the grid-proxy-init tests to destroy a pre-existing proxy first,
then test for failure without a password.  Tidied up a bit.


git-svn-id: 884a03e47e2adb735d896e55bb5ad6bc3421ba19@18841 4e558342-562e-0410-864c-e07659590f8c

efajardo/osg-test,efajardo/osg-test