Merge bitcoin/bitcoin#25986: test: refactor `RPCPackagesTest` to use `MiniWallet`#1237

DashCoreAutoGuix wants to merge 1 commit intobackport-0.25-batch-488DashCoreAutoGuix/dash:backport-0.25-batch-488from

backport-0.25-batch-488-pr-25986DashCoreAutoGuix/dash:backport-0.25-batch-488-pr-25986Copy head branch name to clipboard