fix api test

Author: arthanson

netbox_custom_objects/tests/test_api.py

@@ -50,6 +50,7 @@ def setUpTestData(cls):
 
         cls.model = cls.custom_object_type1.get_model()
         cls.create_custom_object_type_field(cls.custom_object_type1)
+        cls.model = cls.custom_object_type1.get_model()
 
         # Set the model for the test class
         CustomObjectTest.model = cls.model