          True: True,
          False: False,
      }
      invalid_inputs = {
          'foo': ['"foo" is not a valid boolean.'],
          None: ['This field may not be null.']
      }
      outputs = {
          'true': True,
          'false': False,
 
</s> remove         'foo': ['"foo" is not a valid boolean.'],
 </s> add         'foo': ['Must be a valid boolean.'], </s> remove         '825d7aeb-05a9-45b5-a5b7': ['"825d7aeb-05a9-45b5-a5b7" is not a valid UUID.'],
        (1, 2, 3): ['"(1, 2, 3)" is not a valid UUID.']
 </s> add         '825d7aeb-05a9-45b5-a5b7': ['Must be a valid UUID.'],
        (1, 2, 3): ['Must be a valid UUID.'] </s> remove         'invalid': _('"{input}" is not a valid boolean.')
 </s> add         'invalid': _('Must be a valid boolean.') </s> remove         'invalid': _('"{input}" is not a valid boolean.')
 </s> add         'invalid': _('Must be a valid boolean.') </s> remove         'invalid': _('"{value}" is not a valid UUID.'),
 </s> add         'invalid': _('Must be a valid UUID.'),
        'foo': ['Must be a valid boolean.'],
          True: True,
          False: False,
      }
      invalid_inputs = {
        'foo': ['Must be a valid boolean.'],
          None: ['This field may not be null.']
      }
      outputs = {
          'true': True,
          'false': False,
keep keep keep keep replace keep keep keep keep keep
 Removed input value from deault_error_message (#5881) 
tests/test_fields.py