diff --git a/stac_fastapi/elasticsearch/tests/conftest.py b/stac_fastapi/elasticsearch/tests/conftest.py
index f4b49928..fa093af2 100644
--- a/stac_fastapi/elasticsearch/tests/conftest.py
+++ b/stac_fastapi/elasticsearch/tests/conftest.py
@@ -65,6 +65,7 @@ class Config:
 @pytest.fixture(scope="session")
 def event_loop():
     loop = asyncio.new_event_loop()
+    asyncio.set_event_loop(loop)
     yield loop
     loop.close()
 
diff --git a/stac_fastapi/elasticsearch/tests/resources/test_mgmt.py b/stac_fastapi/elasticsearch/tests/resources/test_mgmt.py
new file mode 100644
index 00000000..2b7d9728
--- /dev/null
+++ b/stac_fastapi/elasticsearch/tests/resources/test_mgmt.py
@@ -0,0 +1,13 @@
+import pytest
+
+
+@pytest.mark.asyncio
+async def test_ping_no_param(app_client):
+    """
+    Test ping endpoint with a mocked client.
+    Args:
+        app_client (TestClient): mocked client fixture
+    """
+    res = await app_client.get("/_mgmt/ping")
+    assert res.status_code == 200
+    assert res.json() == {"message": "PONG"}