f expand test

Author: TheBlueMatt

lightning/src/ln/reload_tests.rs

@@ -960,6 +960,11 @@ fn do_test_partial_claim_before_restart(persist_both_monitors: bool) {
 		nodes[0].node.handle_update_fulfill_htlc(nodes[2].node.get_our_node_id(), &cs_updates.update_fulfill_htlcs[0]);
 		commitment_signed_dance!(nodes[0], nodes[2], cs_updates.commitment_signed, false, true);
 		expect_payment_sent!(nodes[0], payment_preimage);
+
+		// Ensure that the remaining channel is fully operation and not blocked (and that after a
+		// cycle of commitment updates the payment preimage is ultimately pruned).
+		send_payment(&nodes[0], &[&nodes[2], &nodes[3]], 100_000);
+		assert!(!get_monitor!(nodes[3], chan_id_not_persisted).get_stored_preimages().contains_key(&payment_hash));
 	}
 }