diff --git a/tests/test_litellm/llms/bedrock/chat/agentcore/test_agentcore_transformation.py b/tests/test_litellm/llms/bedrock/chat/agentcore/test_agentcore_transformation.py
index e5a2ea9b28f..c21a38394cd 100644
--- a/tests/test_litellm/llms/bedrock/chat/agentcore/test_agentcore_transformation.py
+++ b/tests/test_litellm/llms/bedrock/chat/agentcore/test_agentcore_transformation.py
@@ -70,33 +70,26 @@ class TestAgentCoreAcceptHeader:
         """
         End-to-end test: verify Accept header appears in the final HTTP request
         when using JWT auth through litellm.completion().
-
-        No exception swallowing: if completion() raises (for example because the
-        injected client was silently ignored and a real network call was made),
-        the test must fail with that error, not a misleading mock assertion.
         """
         from litellm.llms.custom_httpx.http_handler import HTTPHandler
 
         client = HTTPHandler()
-        mock_response = Mock(spec=httpx.Response)
-        mock_response.status_code = 200
-        mock_response.headers = {"content-type": "application/json"}
-        mock_response.json.return_value = {
-            "result": {"role": "assistant", "content": [{"text": "agent reply"}]}
-        }
+        with patch.object(client, "post", return_value=MagicMock()) as mock_post:
+            try:
+                litellm.completion(
+                    model="bedrock/agentcore/arn:aws:bedrock-agentcore:us-west-2:888602223428:runtime/test_runtime",
+                    messages=[{"role": "user", "content": "test"}],
+                    api_key="test-jwt-token",
+                    client=client,
+                )
+            except Exception as e:
+                print(e)
+                raise
 
-        with patch.object(client, "post", return_value=mock_response) as mock_post:
-            response = litellm.completion(
-                model="bedrock/agentcore/arn:aws:bedrock-agentcore:us-west-2:888602223428:runtime/test_runtime",
-                messages=[{"role": "user", "content": "test"}],
-                api_key="test-jwt-token",
-                client=client,
-            )
-
-        mock_post.assert_called_once()
-        headers = mock_post.call_args.kwargs["headers"]
-        assert headers["Accept"] == "application/json, text/event-stream"
-        assert response.choices[0].message.content == "agent reply"
+            mock_post.assert_called_once()
+            headers = mock_post.call_args.kwargs["headers"]
+            assert "Accept" in headers
+            assert headers["Accept"] == "application/json, text/event-stream"
 
 
 class TestAgentCoreJsonResponseParsing: