chore: import upstream snapshot with attribution

test/core/sample_components/test_greet.py

@@ -0,0 +1,15 @@
+# SPDX-FileCopyrightText: 2022-present deepset GmbH <info@deepset.ai>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import logging
+
+from haystack.testing.sample_components import Greet
+
+
+def test_greet_message(caplog):
+    caplog.set_level(logging.WARNING)
+    component = Greet()
+    results = component.run(value=10, message="Hello, that's {value}", log_level="WARNING")
+    assert results == {"value": 10}
+    assert "Hello, that's 10" in caplog.text