refactor(assistance): Refactor KnowledgeBase Unit model tests

ref: #783 #785 #735

app/tests/fixtures/model_knowledgebase.py

@@ -0,0 +1,66 @@
+import datetime
+import pytest
+
+from assistance.models.knowledge_base import KnowledgeBase
+
+
+
+@pytest.fixture( scope = 'class')
+def model_knowledgebase():
+
+    yield KnowledgeBase
+
+
+@pytest.fixture( scope = 'class')
+def kwargs_knowledgebase(django_db_blocker, 
+    kwargs_centurionmodel, model_team, model_user, model_knowledgebasecategory
+):
+
+
+    with django_db_blocker.unblock():
+
+        random_str = str(datetime.datetime.now(tz=datetime.timezone.utc))
+
+        team = model_team.objects.create(
+            organization = kwargs_centurionmodel['organization'],
+            name = 'kb tgt team' + random_str
+        )
+
+        user = model_user.objects.create(
+            username = 'kb resp user' + random_str,
+            password = 'apassword'
+        )
+
+        default_context_user = model_knowledgebasecategory.context['user']
+        model_knowledgebasecategory.context['user'] = user
+
+        category = model_knowledgebasecategory.objects.create(
+            organization = kwargs_centurionmodel['organization'],
+            name = 'kb cat for kb art' + random_str
+        )
+
+        model_knowledgebasecategory.context['user'] = default_context_user
+
+        kwargs = {
+            **kwargs_centurionmodel.copy(),
+            'title': 'title' + random_str,
+            'summary': 'a summary',
+            'content': 'the kb body text',
+            'category': category,
+            'release_date': '2024-06-04T00:00:01Z',
+            'expiry_date': '2024-06-04T00:00:02Z',
+            'target_team': team,
+            # 'target_user': ,
+            'responsible_user': user,
+            # 'responsible_teams': '',
+            'public': True,
+            'modified': '2024-06-03T23:00:00Z',
+        }
+
+        yield kwargs.copy()
+
+        team.delete()
+
+        user.delete()
+
+        category.delete()