fix compile error due to missing null_aware

Author: barbarj

datafusion/physical-plan/src/joins/hash_join/shared_bounds.rs

@@ -813,6 +813,7 @@ mod tests {
             on_right,
             repartition_random_state: SeededRandomState::with_seed(1),
             probe_schema: test_probe_schema(),
+            null_aware: false,
         }
     }