      # Does it support foreign keys?
      supports_foreign_keys = True
  
      # Does it support CHECK constraints?
      supports_check_constraints = True
  
      # Does the backend support 'pyformat' style ("... %(name)s ...", {'name': value})
      # parameter passing? Note this can be provided by the backend even if not
      # supported by the Python driver
      supports_paramstyle_pyformat = True
 
</s> remove     supports_check_constraints = False
 </s> add     supports_column_check_constraints = False </s> remove     supports_check_constraints = False
 </s> add     supports_column_check_constraints = False </s> remove     @unittest.skipUnless(connection.features.supports_check_constraints, "No check constraints")
 </s> add     @unittest.skipUnless(connection.features.supports_column_check_constraints, "No check constraints")
    supports_column_check_constraints = True
      # Does it support foreign keys?
      supports_foreign_keys = True
  
      # Does it support CHECK constraints?
    supports_column_check_constraints = True
  
      # Does the backend support 'pyformat' style ("... %(name)s ...", {'name': value})
      # parameter passing? Note this can be provided by the backend even if not
      # supported by the Python driver
      supports_paramstyle_pyformat = True
keep keep keep keep replace keep keep keep keep keep
 Renamed DatabaseFeature.supports_check_constraints to supports_column_check_constraints.

Thanks maxi for the suggestion. 
django/db/backends/__init__.py