diff --git a/addons/cetmix_tower_webhook/tests/common.py b/addons/cetmix_tower_webhook/tests/common.py
new file mode 100644
index 0000000..673c0a4
--- /dev/null
+++ b/addons/cetmix_tower_webhook/tests/common.py
@@ -0,0 +1,38 @@
+# Copyright (C) 2025 Cetmix OÜ
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo.tests import TransactionCase
+
+
+class CetmixTowerWebhookCommon(TransactionCase):
+    def setUp(self):
+        super().setUp()
+
+        # Set base url for correct link generation
+        self.web_base_url = "https://example.com"
+        self.env["ir.config_parameter"].sudo().set_param(
+            "web.base.url", self.web_base_url
+        )
+
+        # Create simple authenticator that allows all requests
+        self.WebhookAuthenticator = self.env["cx.tower.webhook.authenticator"]
+        self.simple_authenticator = self.WebhookAuthenticator.create(
+            {
+                "name": "Simple Authenticator",
+                "code": "result = {'allowed': True, 'message': 'OK'}",
+            }
+        )
+
+        # Create Simple Webhook
+        self.Webhook = self.env["cx.tower.webhook"]
+        self.simple_webhook = self.Webhook.create(
+            {
+                "name": "Simple Webhook",
+                "endpoint": "simple_webhook",
+                "code": "result = {'exit_code': 0, 'message': 'OK'}",
+                "authenticator_id": self.simple_authenticator.id,
+            }
+        )
+
+        # Log model
+        self.Log = self.env["cx.tower.webhook.log"]