Use supports_read instead of is_supported in log endpoint (#9628)

airflow/api_connexion/endpoints/log_endpoint.py

@@ -50,7 +50,7 @@ def get_log(session, dag_id, dag_run_id, task_id, task_try_number,
         metadata['download_logs'] = False
 
     task_log_reader = TaskLogReader()
-    if not task_log_reader.is_supported:
+    if not task_log_reader.supports_read:
         raise BadRequest("Task log handler does not support read logs.")
 
     query = session.query(DagRun).filter(DagRun.dag_id == dag_id)

tests/api_connexion/endpoints/test_log_endpoint.py

@@ -219,7 +219,7 @@ class TestGetLog(unittest.TestCase):
 
     @mock.patch("airflow.api_connexion.endpoints.log_endpoint.TaskLogReader")
     def test_get_logs_for_handler_without_read_method(self, mock_log_reader):
-        type(mock_log_reader.return_value).is_supported = PropertyMock(return_value=False)
+        type(mock_log_reader.return_value).supports_read = PropertyMock(return_value=False)
 
         key = self.app.config["SECRET_KEY"]
         serializer = URLSafeSerializer(key)