message: apply lints.
diff: @@ -4078,7 +4078,7 @@ fn should_not_restake_after_full_unbond() {
  .commit();
  let validator_1_add_bid_request = ExecuteRequestBuilder::standard(
  - VALIDATOR_1_ADDR.clone(),
  + *VALIDATOR_1_ADDR,
  CONTRACT_ADD_BID,
  runtime_args! {
  ARG_AMOUNT => U512::from(VALIDATOR_1_STAKE),
  @@ -4142,7 +4142,7 @@ fn should_not_restake_after_full_unbond() {
  // undelegate in the era right after we delegated.
  undelegate(
  &mut builder,
  - DELEGATOR_1_ADDR.clone(),
  + *DELEGATOR_1_ADDR,
  DELEGATOR_1.clone(),
  VALIDATOR_1.clone(),
  U512::from(DELEGATOR_1_STAKE),
  @@ -4243,7 +4243,7 @@ fn delegator_full_unbond_during_first_reward_era() {
  .commit();
  let validator_1_add_bid_request = ExecuteRequestBuilder::standard(
  - VALIDATOR_1_ADDR.clone(),
  + *VALIDATOR_1_ADDR,
  CONTRACT_ADD_BID,
  runtime_args! {
  ARG_AMOUNT => U512::from(VALIDATOR_1_STAKE),
  @@ -4324,7 +4324,7 @@ fn delegator_full_unbond_during_first_reward_era() {
  // undelegate in the first era that the delegator will receive rewards.
  undelegate(
  &mut builder,
  - DELEGATOR_1_ADDR.clone(),
  + *DELEGATOR_1_ADDR,
  DELEGATOR_1.clone(),
  VALIDATOR_1.clone(),
  U512::from(DELEGATOR_1_STAKE),
  