diff --git a/datafusion/core/src/physical_optimizer/pruning.rs b/datafusion/core/src/physical_optimizer/pruning.rs
index 21765f2c9b6fe..95275cbd2e896 100644
--- a/datafusion/core/src/physical_optimizer/pruning.rs
+++ b/datafusion/core/src/physical_optimizer/pruning.rs
@@ -3476,9 +3476,10 @@ mod tests {
         }
 
         let schema = Schema::new(vec![Field::new("a", DataType::Int32, true)]);
-        let schema_with_b = Schema::new(
-            vec![Field::new("a", DataType::Int32, true), Field::new("b", DataType::Int32, true)],
-        );
+        let schema_with_b = Schema::new(vec![
+            Field::new("a", DataType::Int32, true),
+            Field::new("b", DataType::Int32, true),
+        ]);
 
         let transform_expr = |expr| {
             let expr = logical2physical(&expr, &schema_with_b);