51: Add test for result err in config mod

crates/fta/src/config/tests.rs

@@ -189,4 +189,13 @@ mod tests {
         assert_eq!(config.output_limit, Some(2500));
         assert_eq!(config.score_cap, Some(500));
     }
+
+    #[test]
+    fn temp_read_config_with_nonexistent_file_and_user_specified_file_path() {
+        let nonexistent_path = "nonexistent_file.json";
+
+        let config = read_config(nonexistent_path.to_string(), true);
+
+        assert!(config.is_err(), "Expected error, got {:?}", config);
+    }
 }