Refs #15053 -- Clarified debug message when skipping templates to avoid recursion.

django/template/loaders/base.py

@@ -17,7 +17,7 @@ class Loader:
 
         for origin in self.get_template_sources(template_name):
             if skip is not None and origin in skip:
-                tried.append((origin, 'Skipped'))
+                tried.append((origin, 'Skipped to avoid recursion'))
                 continue
 
             try:

tests/template_tests/test_extends.py

@@ -64,8 +64,13 @@ class ExtendsBehaviorTests(SimpleTestCase):
         """
         engine = Engine(dirs=[os.path.join(RECURSIVE, 'fs')])
         template = engine.get_template('self.html')
-        with self.assertRaises(TemplateDoesNotExist):
+        with self.assertRaises(TemplateDoesNotExist) as e:
             template.render(Context({}))
+        tried = e.exception.tried
+        self.assertEqual(len(tried), 1)
+        origin, message = tried[0]
+        self.assertEqual(origin.template_name, 'self.html')
+        self.assertEqual(message, 'Skipped to avoid recursion')
 
     def test_extend_cached(self):
         engine = Engine(