301             failed.append(line[len(FAILED_PREFIX):])

   301             failed.append(line[len(FAILED_PREFIX):])

   302 

   302 

   303     return missing, failed

   303     return missing, failed

   304 

   304 

   305 def showdiff(expected, output, ref, err):

   305 def showdiff(expected, output, ref, err):

   306     for line in difflib.unified_diff(expected, output, ref, err):

   307     for line in difflib.unified_diff(expected, output, ref, err):

   307         sys.stdout.write(line)

   308         sys.stdout.write(line)

   308 

   309 

   309 def findprogram(program):

   310 def findprogram(program):

   310     """Search PATH for a executable program"""

   311     """Search PATH for a executable program"""