add update test

Author: umbynos

test/test_update.py

@@ -0,0 +1,11 @@
+import json
+import requests
+
+
+def test_update_shutdown(base_url, agent):
+    
+    resp = requests.post(f"{base_url}/update")
+    assert resp.status_code == 200
+    info = resp.json()
+    assert "Please wait a moment while the agent reboots itself" in info['success']
+