refactor(base): adjust functional model test to use fixture kwargs

ref: #883 #735

app/centurion/tests/functional_models.py

@@ -10,23 +10,21 @@ class ModelTestCases:
     This test suite contains all of the functional common tests for **ALL**
     Centurion Models.
 
-    For this test suite to function the following class attributes must be set
-    for all classes that inherit from this class:
+    For this test suite to function the following fixtures must be available
+    for this class:
 
-    - `kwargs_create_item: dict = {}`
+    - model
 
-        _Dict of the models fields and the values required for
-        `model.objects.create()`_
+    - model_kwargs
 
-    This attribute can either be a variable or a property. This attribute along
-    with any prefixed `paremetized_` will be merged from each class in the
+    Attribute prefixed `paremetized_` will be merged from each class in the
     inheritence chain. In addition this object must return a dict if defined.
 
     """
 
 
     @pytest.fixture( scope = 'function' )
-    def created_model(self, request, django_db_blocker, model, user):
+    def created_model(self, django_db_blocker, model, model_kwargs):
 
         if model._meta.abstract:
 
@@ -37,16 +35,14 @@ class ModelTestCases:
             with django_db_blocker.unblock():
 
                 model_object = model.objects.create(
-                    **request.cls.kwargs_create_item
+                    **model_kwargs
                 )
 
-                yield model_object
+        yield model_object
 
+        with django_db_blocker.unblock():
 
-
-    @property
-    def kwargs_create_item(self):
-        return {}
+            model_object.delete()