diff --git a/helpdesk_mgmt_templates/tests/test_helpdesk_ticket.py b/helpdesk_mgmt_templates/tests/test_helpdesk_ticket.py
index 74e72ef7b5..b6a4949713 100644
--- a/helpdesk_mgmt_templates/tests/test_helpdesk_ticket.py
+++ b/helpdesk_mgmt_templates/tests/test_helpdesk_ticket.py
@@ -19,6 +19,18 @@ def setUpClass(cls):
         cls.category_2 = helpdesk_ticket_category_obj.create(
             {"name": "Category 2", "template_description": "<h2>Description 2</h2>"}
         )
+        cls.category_3 = helpdesk_ticket_category_obj.create(
+            {"name": "Category 3", "template_description": "<h3>Description 3</h3>"}
+        )
+        helpdesk_ticket_team = cls.env["helpdesk.ticket.team"]
+
+        cls.team_c = helpdesk_ticket_team.create(
+            {
+                "name": "Team C",
+                "user_ids": [(6, 0, [cls.user_team.id])],
+                "category_ids": [(6, 0, [cls.category_1.id, cls.category_3.id])],
+            }
+        )
 
     def test_set_category(self):
         """
@@ -59,3 +71,59 @@ def test_set_category(self):
                 " to the template_description of Category 1"
             ),
         )
+
+    def test_check_available_team_categories(self):
+        """
+        Test the availability of team categories and
+        their correct linking to the team and ticket.
+        """
+        # Check that initially, a team should not have categories attached to it.
+        self.assertFalse(
+            self.ticket_a_user_own.helpdesk_ticket_category_ids,
+            msg="A team should not have categories attached to it.",
+        )
+
+        # Assign a team to the ticket and check that the categories are linked to the team.
+        self.ticket_a_user_own.team_id = self.team_c.id
+        related_category_ids = [self.category_1.id, self.category_3.id]
+        self.assertEqual(
+            self.ticket_a_user_own.helpdesk_ticket_category_ids.ids,
+            related_category_ids,
+            msg="Categories should be linked to the team.",
+        )
+
+        # Set the category_id of the ticket to the first category in the linked categories.
+        self.ticket_a_user_own.category_id = (
+            self.ticket_a_user_own.helpdesk_ticket_category_ids[0]
+        )
+
+        # Check that the category_id has been correctly set.
+        self.assertEqual(
+            self.ticket_a_user_own.category_id.id,
+            self.category_1.id,
+            msg=f"The category ID #{self.category_1.id} was not correctly set",
+        )
+
+    def test_create_ticket_with_category(self):
+        """
+        Test the creation of a ticket with a specific category and
+        verify that the category is correctly set.
+        """
+        # Create a ticket with a specific category
+        ticket = self.env["helpdesk.ticket"].create(
+            {
+                "name": f"Ticket {self.team_c.name} (test)",
+                "team_id": self.team_c.id,
+                "user_id": False,
+                "description": "Test",
+                "category_id": self.category_1.id,
+                "priority": "1",
+            }
+        )
+
+        # Check that the category_id has been correctly set
+        self.assertEqual(
+            ticket.category_id.id,
+            self.category_1.id,
+            msg=f"The category ID #{self.category_1.id} was not correctly set",
+        )