Add marker for CPU usage notification test

We have multiple targets where this will not work due to a) lack of the resource
or information and b) the resource value is not getting updated regularly
(if there is no resource value update -> there cannot be a notification, either).

changelog.md

@@ -1,9 +1,10 @@
 # Izuma E2E Edge Python Test Suite Change log
 
 ## 1.2.1
+- Add marker `cpu_notif_test` to CPU resource notification test. This allows you to skip that test with `pytest -m "not reboot_test"`. You can skip that and reboot test with `-m 'not (reboot_test or cpu_notif_test)'`.
 - Add marker `reboot_test` to LwM2M test that resets device. This allows you to skip that test with `pytest -m "not reboot_test"`.
 - Move `pytest.ini` from `tests`-folder to root, this way to the custom marker gets taken into account.
-- Upgrade pytest to 7.3.1 and pytest-html 3.2.0 to resolve Python 3.10 compatiblity issue.
+- Upgrade `pytest` to 7.3.1 and `pytest-html` 3.2.0 to resolve Python 3.10 compatiblity issue.
 - Add *.xml files to `.gitignore`.
 
 ## 1.2.0

pytest.ini

@@ -14,3 +14,4 @@ junit_family = xunit1
 junit_logging = all
 markers = 
     reboot_test: this test will reboot device (deselect with '-m "not reboot_test"')
+    cpu_notif_test: CPU temperature notification test (deselect with '-m "not cpu_notif_test"')

tests/test_websocket_notifications.py

@@ -1,6 +1,6 @@
 # ----------------------------------------------------------------------------
-# Copyright (c) 2022, Izuma Networks
 # Copyright (c) 2020-2021, Pelion and affiliates.
+# Copyright (c) 2022-2023, Izuma Networks
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -82,6 +82,10 @@ def test_registration_notification(edge, cloud_api, websocket):
     assert data, 'Registration not received from websocket notification channel'
 
 
+# Add marker - this CPU usage notificiation test will not work on many devices,
+# as they might not have the resource (or the resource value does not get updated regularly)
+# Allows you to skip it with pytest -m "not cpu_notif_test"
+@pytest.mark.cpu_notif_test
 def test_notification_device_cpu_usage(edge, cloud_api, websocket, subscribe_to_resource):
     cpu_usage = '/3/0/3320'
     payload = {'method': 'GET', 'uri': cpu_usage}