Function pczt_single_step 

pub fn pczt_single_step<P0: ShieldedPoolTester, P1: ShieldedPoolTester, Dsf>(
    ds_factory: Dsf,
    cache: impl TestCache,
    pin_expiry_above_target: Option<u32>,
)
where
    Dsf: DataStoreFactory,
    <Dsf as DataStoreFactory>::AccountId: Serialize + DeserializeOwned,

Available on crate feature pczt and (crate features test-dependencies) only.