diff --git a/daliuge-engine/test/manager/test_mm.py b/daliuge-engine/test/manager/test_mm.py
index 0b2a263cc..acc5c3b0d 100644
--- a/daliuge-engine/test/manager/test_mm.py
+++ b/daliuge-engine/test/manager/test_mm.py
@@ -34,6 +34,7 @@
 from dlg.manager.composite_manager import MasterManager
 from dlg.manager.session import SessionStates
 from dlg.testutils import ManagerStarter
+from dlg.exceptions import NoSessionException
 from test.manager import testutils
 
 
@@ -272,3 +273,11 @@ def test_fullRound(self):
             testutils.delete(self, '/sessions/%s' % (sessionId), restPort)
             sessions = testutils.get(self, '/sessions', restPort)
             self.assertEqual(0, len(sessions))
+
+            # Check log should not exist
+            resp, _ = testutils._get('/sessions/not_exist/logs', 8000)
+            self.assertEqual(resp.status, 404)
+
+            # Check logs exist and there is content
+            resp, _ = testutils._get('/sessions/{sessionId}/logs', restPort)
+            self.assertGreater(int(resp.getheader('Content-Length')), 0)
diff --git a/daliuge-engine/test/manager/testutils.py b/daliuge-engine/test/manager/testutils.py
index 64d5f0469..8da70bc6b 100644
--- a/daliuge-engine/test/manager/testutils.py
+++ b/daliuge-engine/test/manager/testutils.py
@@ -25,11 +25,13 @@
 from dlg import utils
 import codecs
 
-
-def get(test, url, port):
+def _get(url, port):
     conn = http.client.HTTPConnection('localhost', port, timeout=3)
     conn.request('GET', '/api' + url)
-    res = conn.getresponse()
+    return conn.getresponse(), conn
+
+def get(test, url, port):
+    res, conn = _get(url, port)
     test.assertEqual(http.HTTPStatus.OK, res.status)
     jsonRes = json.load(codecs.getreader('utf-8')(res))
     res.close()