fix test

Author: parthchandra

native/core/src/execution/planner.rs

@@ -4144,7 +4144,7 @@ mod tests {
                             "+--------------+",
                             "| [0]          |",
                             "| [3, 3, 3, 3] |",
-                            "|              |",
+                            "| []           |",
                             "+--------------+",
                         ];
                         assert_batches_eq!(expected, &[batch]);