diff --git a/tests/test_configs_exist.py b/tests/test_configs_exist.py
new file mode 100644
index 00000000..892ebc76
--- /dev/null
+++ b/tests/test_configs_exist.py
@@ -0,0 +1,8 @@
+import pathlib
+
+
+def test_rg_swarm_config_exists() -> None:
+    """Ensure default rg-swarm.yaml configuration is present."""
+    root = pathlib.Path(__file__).resolve().parents[1]
+    config_path = root / "rgym_exp" / "config" / "rg-swarm.yaml"
+    assert config_path.is_file(), f"Config file is missing: {config_path}"