Fix a typo in a comment

* tests/cmdline/revert_tests.py:
  (revert_file_merge_replace_with_history): s/revsion/revision/


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1902064 13f79535-47bb-0310-9956-ffa450edef68
1 file changed