qt/test: Use existing chainman in ::TestGUI (can be scripted-diff)

Author: dongcarl

src/qt/test/wallettests.cpp

@@ -146,14 +146,14 @@ void TestGUI(interfaces::Node& node)
         LOCK2(wallet->cs_wallet, spk_man->cs_KeyStore);
         wallet->SetAddressBook(GetDestinationForKey(test.coinbaseKey.GetPubKey(), wallet->m_default_address_type), "", "receive");
         spk_man->AddKeyPubKey(test.coinbaseKey, test.coinbaseKey.GetPubKey());
-        wallet->SetLastBlockProcessed(105, ::ChainActive().Tip()->GetBlockHash());
+        wallet->SetLastBlockProcessed(105, node.context()->chainman->ActiveChain().Tip()->GetBlockHash());
     }
     {
         WalletRescanReserver reserver(*wallet);
         reserver.reserve();
         CWallet::ScanResult result = wallet->ScanForWalletTransactions(Params().GetConsensus().hashGenesisBlock, 0 /* block height */, {} /* max height */, reserver, true /* fUpdate */);
         QCOMPARE(result.status, CWallet::ScanResult::SUCCESS);
-        QCOMPARE(result.last_scanned_block, ::ChainActive().Tip()->GetBlockHash());
+        QCOMPARE(result.last_scanned_block, node.context()->chainman->ActiveChain().Tip()->GetBlockHash());
         QVERIFY(result.last_failed_block.IsNull());
     }
     wallet->SetBroadcastTransactions(true);