message: Fix a unit test.
diff: @@ -2,7 +2,7 @@ use casper_engine_test_support::{
  DeployItemBuilder, ExecuteRequestBuilder, InMemoryWasmTestBuilder, DEFAULT_ACCOUNT_ADDR,
  DEFAULT_PAYMENT, DEFAULT_RUN_GENESIS_REQUEST,
  };
  -use casper_execution_engine::shared::transform::Transform;
  +use casper_execution_engine::shared::{additive_map::AdditiveMap, transform::Transform};
  use casper_types::{runtime_args, CLValue, Key, RuntimeArgs, StoredValue};
  const ARG_AMOUNT: &str = "amount";
  @@ -34,12 +34,10 @@ fn should_run_ee_601_pay_session_new_uref_collision() {
  .exec(exec_request);
  let transforms = builder.get_execution_journals();
  - let transform = &transforms[0];
  + let transform: AdditiveMap<Key, Transform> = transforms[0].clone().into();
  - let add_keys = if let Some((_, Transform::AddKeys(keys))) = transform
  - .clone()
  - .into_iter()
  - .find(|(key, _)| key == &Key::Account(*DEFAULT_ACCOUNT_ADDR))
  + let add_keys = if let Some(Transform::AddKeys(keys)) =
  + transform.get(&Key::Account(*DEFAULT_ACCOUNT_ADDR))
  {
  keys
  } else {
  