token_aware: fix a clippy lint
Clippy suggests using Box::default() instead of Box::new() +
Default::default().
@@ -314,7 +314,7 @@ mod tests {
},
];
- let policy = TokenAwarePolicy::new(Box::new(RoundRobinPolicy::default()));
+ let policy = TokenAwarePolicy::new(Box::<RoundRobinPolicy>::default());
let cluster = mock_cluster_data_for_token_aware_tests();
let plans = (0..15)
