fix(dlp): block self-test case creation

aw-server/dlp-case-management/test_case_rules.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import unittest
+
+from case_rules import is_self_test_case
+
+
+class CaseRulesTest(unittest.TestCase):
+    def test_is_self_test_case_by_incident_id(self) -> None:
+        self.assertTrue(is_self_test_case("2026-05-14T17:00:52.186Z|self_test|Администратор|||", "Normal"))
+
+    def test_is_self_test_case_by_title(self) -> None:
+        self.assertTrue(is_self_test_case("inc-1", "DLP self_test · Администратор"))
+
+    def test_is_self_test_case_false_for_normal_case(self) -> None:
+        self.assertFalse(is_self_test_case("inc-1", "DLP print incident"))
+
+
+if __name__ == "__main__":
+    unittest.main()