diff --git a/crates/hermesllm/src/providers/request.rs b/crates/hermesllm/src/providers/request.rs
index f652972f..c4cfd283 100644
--- a/crates/hermesllm/src/providers/request.rs
+++ b/crates/hermesllm/src/providers/request.rs
@@ -1025,7 +1025,7 @@ mod tests {
             input: InputParam::Text("Hello, Codex!".to_string()),
             temperature: None,
             max_output_tokens: Some(8192),
-            stream: Some(false),
+            stream: None,
             metadata: None,
             tools: None,
             tool_choice: None,
@@ -1051,7 +1051,9 @@ mod tests {
 
         let upstream_api = SupportedUpstreamAPIs::OpenAIResponsesAPI(Responses);
         let mut request = ProviderRequestType::ResponsesAPIRequest(responses_req);
-        request.normalize_for_upstream(ProviderId::ChatGPT, &upstream_api);
+        request
+            .normalize_for_upstream(ProviderId::ChatGPT, &upstream_api)
+            .expect("ChatGPT responses request should normalize");
 
         match request {
             ProviderRequestType::ResponsesAPIRequest(req) => {
diff --git a/crates/hermesllm/src/providers/request_adapter.rs b/crates/hermesllm/src/providers/request_adapter.rs
index 0e610e71..97cfb6a5 100644
--- a/crates/hermesllm/src/providers/request_adapter.rs
+++ b/crates/hermesllm/src/providers/request_adapter.rs
@@ -613,7 +613,9 @@ mod tests {
         let mut request = ProviderRequestType::ResponsesAPIRequest(req);
 
         // normalize_for_upstream sets store=false, stream=true, wraps input in Items
-        request.normalize_for_upstream(ProviderId::ChatGPT, &upstream_api);
+        request
+            .normalize_for_upstream(ProviderId::ChatGPT, &upstream_api)
+            .expect("ChatGPT responses request should normalize");
 
         // serialize_for_upstream then renames max_output_tokens and flattens content
         let bytes = serialize_for_upstream(&request, ProviderId::ChatGPT).unwrap();