removed Python version-specific error messages from tests

Author: nerdsane

tests/test_artifacts_integration.py

@@ -128,8 +128,9 @@ async def run_test():
 
         artifacts = asyncio.run(run_test())
 
-        # Verify artifact content - should contain some compilation error
-        self.assertIn("was never closed", artifacts["stderr"])
+        # Verify artifact content - should have captured the compilation error
+        self.assertIn("stderr", artifacts)
+        self.assertTrue(len(artifacts["stderr"]) > 0, "stderr should not be empty")
         self.assertIn("failure_stage", artifacts)
         self.assertEqual(artifacts["failure_stage"], "stage1_compilation")
 
@@ -169,13 +170,13 @@ async def run_test():
 
         prompt, artifacts = asyncio.run(run_test())
 
-        # Verify artifacts in prompt - check for compilation error (not specifically "SyntaxError")
-        self.assertIn("was never closed", prompt["user"])
+        # Verify artifacts appear in prompt
         self.assertIn("stderr", prompt["user"].lower())
+        self.assertIn("Last Execution Output", prompt["user"])
 
         # Verify artifacts were stored and retrieved correctly
         self.assertIn("stderr", artifacts)
-        self.assertIn("was never closed", artifacts["stderr"])
+        self.assertTrue(len(artifacts["stderr"]) > 0, "stderr should not be empty")
 
     def test_cascade_evaluation_with_artifacts(self):
         """Test cascade evaluation captures artifacts at each stage"""