tests: drop an extraneous (glob) from test-debugbackupbundle.t Since this was not needed, it ends up causing the test to end with an error saying that the output changed, but with no diff and a message at the end saying "no result code from test". Differential Revision: https://phab.mercurial-scm.org/D8269

ERROR: FIXME: This is a known failure of filelog.size for data starting with \1\n
OK.