chore: import upstream snapshot with attribution

e2e/conftest.py

@@ -0,0 +1,31 @@
+# SPDX-FileCopyrightText: 2022-present deepset GmbH <info@deepset.ai>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+from pathlib import Path
+
+import pytest
+
+from haystack.testing.test_utils import set_all_seeds
+
+set_all_seeds(0)
+
+
+@pytest.fixture
+def samples_path():
+    return Path(__file__).parent / "samples"
+
+
+@pytest.fixture
+def del_hf_env_vars(monkeypatch):
+    """
+    Delete Hugging Face environment variables for tests.
+
+    Prevents passing empty tokens to Hugging Face, which would cause API calls to fail.
+    This is particularly relevant for PRs opened from forks, where secrets are not available
+    and empty environment variables might be set instead of being removed.
+
+    See https://github.com/deepset-ai/haystack/issues/8811 for more details.
+    """
+    monkeypatch.delenv("HF_API_TOKEN", raising=False)
+    monkeypatch.delenv("HF_TOKEN", raising=False)