Weird output from dictionary equal assertion test

(evenv) D:\muddev\hecate>evennia test

    TESTING: Using Evennia's default settings file (evennia.settings_default).
    (use 'evennia test --settings settings.py .' to run only your custom game tests)

Creating test database for alias 'default'...
System check identified no issues (0 silenced).
F.
======================================================================
FAIL: test_equipment_generation (hecate.world.tests.TestEquipmentHandler)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\muddev\hecate\world\tests.py", line 23, in test_equipment_generation
    self.assertDictEqual(equip_dic, actual_dic)
AssertionError: {'hea[28 chars]ulder': None, 'chest': None, 'arms': None, 'ha[102 chars] Bag} != {'hea[28 chars]ulders': None, 'chest': None, 'arms': None, 'h[126 chars] bag}
  {'arms': None,
-  'bag': Basic Bag,
   'calves': None,
   'chest': None,
   'feet': None,
   'fingers': None,
   'hands': None,
   'head': None,
+  'inventory_container': a worn black bag,
   'neck': None,
-  'shoulder': None,
+  'shoulders': None,
?           +

   'thighs': None,
   'waist': None}

----------------------------------------------------------------------
Ran 2 tests in 1.152s

FAILED (failures=1)
Destroying test database for alias 'default'...