test: Add test for gettxoutsetinfo RPC with MuHash

test/functional/test_runner.py

@@ -202,6 +202,7 @@ BASE_SCRIPTS = [
     'feature_notifications.py',
     'rpc_getblockfilter.py',
     'rpc_invalidateblock.py',
+    'feature_utxo_set_hash.py',
     'feature_rbf.py',
     'mempool_packages.py',
     'mempool_package_onemore.py',