diff --git a/lower-constraints.txt b/lower-constraints.txt
index 3d544c2e..d62faa93 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -1,14 +1,16 @@
-Flask==1.0.2
 coverage==4.0
+Flask==1.0.2
 ironic-lib==4.6.1
+itsdangerous==2.0.1
+Jinja2==2.11.3
 libvirt-python==6.0.0
+MarkupSafe==2.0.1
 munch==2.1.0
 openstacksdk==0.13.0
 oslotest==3.2.0
 pbr==2.0.0
-python-subunit==1.0.0
 requests==2.14.2
 stestr==1.0.0
 tenacity==6.2.0
-testscenarios==0.4
 testtools==2.2.0
+Werkzeug==2.0.3
diff --git a/sushy_tools/tests/unit/emulator/test_main.py b/sushy_tools/tests/unit/emulator/test_main.py
index 87715ca1..2a878635 100644
--- a/sushy_tools/tests/unit/emulator/test_main.py
+++ b/sushy_tools/tests/unit/emulator/test_main.py
@@ -671,9 +671,9 @@ class StorageTestCase(EmulatorTestCase):
                                  'Volumes', json=data)
 
         self.assertEqual(201, response.status_code)
-        self.assertEqual('http://localhost/redfish/v1/Systems/vmc-node/'
-                         'Storage/1/Volumes/13087010612',
-                         response.headers['Location'])
+        self.assertIn('/redfish/v1/Systems/vmc-node/'
+                      'Storage/1/Volumes/13087010612',
+                      response.headers['Location'])
 
     @patch_resource('volumes')
     def test_volume_resource_get(self, volumes_mock, systems_mock):
diff --git a/test-requirements.txt b/test-requirements.txt
index 8dd5470f..9c7d3019 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,11 +5,9 @@
 coverage!=4.4,>=4.0 # Apache-2.0
 # used by libvirt driver
 libvirt-python>=6.0.0 # LGPLv2+
-python-subunit>=1.0.0 # Apache-2.0/BSD
 # used by nova driver
 openstacksdk>=0.13.0  # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 stestr>=1.0.0 # Apache-2.0
-testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
 munch>=2.1.0 # MIT