Test for docker workflow (#4014)

* Test for docker workflow

* Ensure yaml is installed in the local env

* Install the right package

* Debug yaml path

* Check data directory first

* Let them run

* More debug info

* Try reverting a recent change

* Disable test

* Check envvar directory

* Remove debug prints

* Re-enable unit test

* Use os.getenv

* Prevent docker workflow from running on pull requests

* Re-add InvenTree.helpers import

InvenTree/common/models.py

@@ -10,6 +10,7 @@ import hmac
 import json
 import logging
 import math
+import os
 import uuid
 from datetime import datetime, timedelta
 from enum import Enum
@@ -1371,7 +1372,7 @@ class InvenTreeSetting(BaseInvenTreeSetting):
         'PLUGIN_ON_STARTUP': {
             'name': _('Check plugins on startup'),
             'description': _('Check that all plugins are installed on startup - enable in container environments'),
-            'default': settings.DOCKER,
+            'default': os.getenv('INVENTREE_DOCKER', False),
             'validator': bool,
             'requires_restart': True,
         },