test(langextract): remove skipif referencing undefined _langextract_available helper

Author: MervinPraison

src/praisonai/tests/unit/test_langextract_sink.py

@@ -407,7 +407,6 @@ def test_bridge_maps_context_events_to_action_events(self):
         assert "agent_end" in types
         assert sink._source_text == "Write a haiku"
 
-    @pytest.mark.skipif(not _langextract_available(), reason="langextract not installed")
     def test_setup_observability_registers_context_emitter(self):
         """`--observe langextract` must install the bridge on the context emitter."""
         import praisonai.cli.app as cli_app