Swap MCP client implementations to rmcp (#3634)

crates/goose/src/providers/formats/google.rs

@@ -335,8 +335,7 @@ pub fn create_request(
 #[cfg(test)]
 mod tests {
     use super::*;
-    use rmcp::model::Content;
-    use rmcp::object;
+    use rmcp::{model::Content, object};
     use serde_json::json;
 
     fn set_up_text_message(text: &str, role: Role) -> Message {
@@ -680,18 +679,12 @@ mod tests {
 
     #[test]
     fn test_tools_to_google_spec_with_empty_properties() {
-        use rmcp::model::object;
-        use std::borrow::Cow;
-        use std::sync::Arc;
-
-        let schema = json!({
-            "properties": {}
-        });
-
         let tools = vec![Tool::new(
-            Cow::Borrowed("tool1"),
-            Cow::Borrowed("description1"),
-            Arc::new(object(schema)),
+            "tool1".to_string(),
+            "description1".to_string(),
+            object!({
+                "properties": {}
+            }),
         )];
         let result = format_tools(&tools);
         assert_eq!(result.len(), 1);