Accommodate minor change in `test_utils` API introduce by LDK 0.1.2#517

tnull merged 1 commit intolightningdevkit:mainlightningdevkit/ldk-node:mainfrom

tnull:2025-04-fix-ldk-0.1.2-changestnull/ldk-node:2025-04-fix-ldk-0.1.2-changesCopy head branch name to clipboard