Fix tests

crates/acp_thread/src/acp_thread.rs

@@ -436,6 +436,7 @@ impl From<&ResolvedLocation> for AgentLocation {
 }
 
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
 pub enum ToolSource {
     /// Built-in tool
     BuiltIn,

crates/agent/src/tests/mod.rs

@@ -2268,10 +2268,10 @@ async fn test_tool_updates_to_completion(cx: &mut TestAppContext) {
         acp::ToolCall::new("1", "Thinking")
             .kind(acp::ToolKind::Think)
             .raw_input(json!({}))
-            .meta(acp::Meta::from_iter([(
-                "tool_name".into(),
-                "thinking".into()
-            )]))
+            .meta(acp::Meta::from_iter([
+                ("tool_name".into(), "thinking".into()),
+                ("tool_source".into(), "built_in".into())
+            ]))
     );
     let update = expect_tool_call_update_fields(&mut events).await;
     assert_eq!(