test: Add test for coinselection tracepoints

test/functional/test_runner.py

@@ -168,6 +168,7 @@ BASE_SCRIPTS = [
     'wallet_reorgsrestore.py',
     'interface_http.py',
     'interface_rpc.py',
+    'interface_usdt_coinselection.py',
     'interface_usdt_net.py',
     'interface_usdt_utxocache.py',
     'interface_usdt_validation.py',