Merge bitcoin/bitcoin#18795: Test: wallet issue with orphaned rewards

e4356f6a6c Testcase for wallet issue with orphaned rewards. (Daniel Kraft)

Pull request description:

  This adds a new test case demonstrating the wallet issue when block rewards are orphaned (#14148).

ACKs for top commit:
  LarryRuane:
    ACK e4356f6a6c
  leonardojobim:
    reACK https://github.com/bitcoin/bitcoin/pull/18795/commits/e4356f6a6c18e5027a064a4d3a5deda27985f584 .

Tree-SHA512: e9a2310ee1b3d52cfa302f431ed3d272bbc1b9195439ff318d9eb1006c0b28968dbe840e1600b6ff185e5d7ea57e4dcc837cef16051b5537445e10bc363b8c22

test/functional/test_runner.py

@@ -284,6 +284,7 @@ BASE_SCRIPTS = [
     'feature_logging.py',
     'feature_anchors.py',
     'feature_coinstatsindex.py',
+    'wallet_orphanedreward.py',
     'p2p_node_network_limited.py',
     'p2p_permissions.py',
     'feature_blocksdir.py',