fix: remaining formatting issue

Author: DaleSeo

crates/rmcp/src/transport/auth.rs

@@ -2816,8 +2816,9 @@ mod tests {
 
     #[test]
     fn test_stored_credentials_debug_redacts_token_response() {
-        use super::{OAuthTokenResponse, StoredCredentials};
         use oauth2::{AccessToken, basic::BasicTokenType};
+        
+        use super::{OAuthTokenResponse, StoredCredentials};
 
         let token_response = OAuthTokenResponse::new(
             AccessToken::new("super-secret-access-token".to_string()),