Fix more unused warnings in test_utils

Author: tnull

lightning/src/util/test_utils.rs

@@ -282,7 +282,7 @@ struct JusticeTxData {
 	commitment_number: u64,
 }
 
-pub(crate) struct WatchtowerPersister {
+pub struct WatchtowerPersister {
 	persister: TestPersister,
 	/// Upon a new commitment_signed, we'll get a
 	/// ChannelMonitorUpdateStep::LatestCounterpartyCommitmentTxInfo. We'll store the justice tx
@@ -427,7 +427,7 @@ impl<Signer: sign::WriteableEcdsaChannelSigner> chainmonitor::Persist<Signer> fo
 	}
 }
 
-pub(crate) struct TestStore {
+pub struct TestStore {
 	persisted_bytes: Mutex<HashMap<String, HashMap<String, Vec<u8>>>>,
 	read_only: bool,
 }