diff --git a/tests/helpers/__pycache__/mock-server.cpython-314.pyc b/tests/helpers/__pycache__/mock-server.cpython-314.pyc
new file mode 100644
index 0000000..2315b15
Binary files /dev/null and b/tests/helpers/__pycache__/mock-server.cpython-314.pyc differ
diff --git a/tests/helpers/mock-server.py b/tests/helpers/mock-server.py
index 57249d6..94b6547 100644
--- a/tests/helpers/mock-server.py
+++ b/tests/helpers/mock-server.py
@@ -1,6 +1,13 @@
 #!/usr/bin/env python3
 import http.server, json, sys, os, threading
 
+# Daemonize: detach from parent process group
+if os.fork() > 0:
+    sys.exit(0)
+os.setsid()
+if os.fork() > 0:
+    sys.exit(0)
+
 PORT = int(sys.argv[1])
 CONFIG = sys.argv[2]
 REQ_FILE = sys.argv[3]