anchor.diff:          All elements in `actual`:
           {2, 2, 4}
           All elements in `expected` ['item', 'number of expected occurrences']:
  -        {1: 1, 2: 1, 4: 2}
  -        Missing elements from `actual`:
  -        '1' (0/1)\n\t'4' (1/2)
  -        Extra elements in `actual`:
  -        '2' (2/1)"
  +        {1: 1, 2: 1, 4: 2}\n\tMissing elements from `actual`:\n\t'1' (0/1)\n\t'4' (1/2)\n\tExtra elements in `actual`:\n\t'2' (2/1)"
                 format
             assertTestFailsWithMsg msg (test, Normal)
   
  
positive.code:         All elements in `actual`:
          {2, 2, 4}
          All elements in `expected` ['item', 'number of expected occurrences']:
          {2: 1, 4: 1}
          Extra elements in `actual`:
          '2' (2/1)"
                format
            assertTestFailsWithMsg msg (test, Normal)
        ]
  
negative.code:         All elements in `actual`:
          {2, 2}
          All elements in `expected` ['item', 'number of expected occurrences']:
          {2: 2, 4: 1}\n\tMissing elements from `actual`:\n\t'4' (0/1)"
                format
            assertTestFailsWithMsg msg (test, Normal)
  
  