ed94856 Fix PR tests for newly-added files.

Authored and Committed by sgallagh 5 years ago
    Fix PR tests for newly-added files.
    
    We were returning invalid data when asked to compare a file that
    didn't exist before this PR was filed. Return IOError to skip it
    and update the comments to explain why. It will still be tested by
    validate.py.
    
    Signed-off-by: Stephen Gallagher <sgallagh@redhat.com>
    
        
file modified
+9 -8