[17.0][UPD] deltatech_sale_fix_followers tests

deltatech_sale_fix_followers/tests/__init__.py

@@ -0,0 +1 @@
+from . import test_sale_fix_followers

deltatech_sale_fix_followers/tests/test_sale_fix_followers.py

@@ -0,0 +1,18 @@
+from odoo.tests.common import TransactionCase
+
+
+class TestMailThread(TransactionCase):
+    def setUp(self):
+        super().setUp()
+
+        # Setup test data
+        self.partner_1 = self.env["res.partner"].create({"name": "Partner 1"})
+
+        self.subtype_1 = self.env["mail.message.subtype"].create({"name": "Subtype 1"})
+
+        self.mail_thread = self.env["mail.thread"]
+
+    def test_message_subscribe(self):
+        # Test subscribing a partner to a thread
+        result = self.mail_thread.message_subscribe(partner_ids=[self.partner_1.id], subtype_ids=[self.subtype_1.id])
+        self.assertTrue(result, "Failed to subscribe partner to thread")