fix: graph process should raise the actual error when failing

src/backend/base/langflow/graph/graph/base.py

@@ -836,7 +836,7 @@ class Graph:
                 next_runnable_vertices = await self._execute_tasks(tasks, lock=lock)
             except Exception as e:
                 logger.error(f"Error executing tasks in layer {layer_index}: {e}")
-                break
+                raise e
             if not next_runnable_vertices:
                 break
             to_process.extend(next_runnable_vertices)

tests/unit/conftest.py

@@ -224,6 +224,7 @@ def json_vector_store():
 
 @pytest.fixture(name="client", autouse=True)
 def client_fixture(session: Session, monkeypatch, request, load_flows_dir):
+    monkeypatch.setenv("LANGFLOW_LOG_LEVEL", "DEBUG")
     # Set the database url to a test database
     if "noclient" in request.keywords:
         yield