refactor(core): Update Test Suite for TicketBase model

ref: #871 #863

app/core/tests/unit/ticket_base/test_unit_ticket_base_model.py

@@ -5,7 +5,7 @@ import django
 from django.db import models
 from django.db.models.query import QuerySet
 
-
+from core import exceptions as centurion_exceptions
 from core.fields.badge import Badge
 from core.models.ticket_base import TicketBase
 # from core.models.ticket_comment_base import TicketCommentBase
@@ -35,6 +35,10 @@ class TicketBaseModelTestCases(
                 'type': str,
                 'value': 'ticket'
             },
+            'url_model_name': {
+                'type': str,
+                'value': 'ticket'
+            },
         }
 
 
@@ -247,17 +251,40 @@ class TicketBaseModelTestCases(
 
 
 
-    def test_milestone_different_project_raises_validationerror(self, model, model_kwargs):
+    def test_milestone_different_project_raises_validationerror(self,
+        model, model_kwargs,
+        model_project, kwargs_project,
+        model_projectmilestone, kwargs_projectmilestone,
+    ):
 
         kwargs = model_kwargs.copy()
         kwargs['title'] = kwargs['title'] + 'a'
+        kwargs['external_ref'] = 123
 
         ticket = model.objects.create( **kwargs )
 
-        with pytest.raises(django.core.exceptions.ValidationError) as err:
+        project_one = model_project.objects.create( **kwargs_project )
 
-            ticket.project = self.project_one
-            ticket.milestone = self.milestone_two
+
+        kwargs = kwargs_projectmilestone
+        kwargs['project'] = project_one
+        milestone_one = model_projectmilestone.objects.create( **kwargs )
+
+        kwargs = kwargs_project
+        kwargs['name'] = 'project_two'
+        project_two = model_project.objects.create( **kwargs )
+
+        kwargs = kwargs_projectmilestone
+        kwargs['name'] = 'two'
+        kwargs['project'] = project_two
+        milestone_two = model_projectmilestone.objects.create( **kwargs )
+
+
+
+        with pytest.raises(centurion_exceptions.ValidationError) as err:
+
+            ticket.project = project_one
+            ticket.milestone = milestone_two
             ticket.save()
 
         assert err.value.get_codes()['milestone'] == 'milestone_different_project'
@@ -682,7 +709,7 @@ class TicketBaseModelTestCases(
 
 
 
-    def test_function_get_related_field_name_type(self, model):
+    def test_function_get_related_field_name_type(self, model, ticket):
         """Function test
 
         Ensure that function `get_related_field_name` returns a value that
@@ -690,7 +717,7 @@ class TicketBaseModelTestCases(
         """
 
         ticket = model.objects.get(
-            pk = self.item.pk
+            pk = ticket.pk
         )
 
         assert type(ticket.get_related_field_name()) is str
@@ -808,7 +835,8 @@ class TicketBaseModelTestCases(
 class TicketBaseModelInheritedCases(
     TicketBaseModelTestCases,
 ):
-    pass
+
+    sub_model_type = None
 
 
 
@@ -817,6 +845,8 @@ class TicketBaseModelPyTest(
     TicketBaseModelTestCases,
 ):
 
+    sub_model_type = 'ticket'
+
 
     def test_function_get_related_field_name_value(self, model):
         """Function test