feat: add test_settings and use them to run the tests

pyproject.toml

@@ -54,7 +54,7 @@ pytest-django = "^4.5.2"
 pytest-factoryboy = "^2.5.1"
 
 [tool.pytest.ini_options]
-DJANGO_SETTINGS_MODULE = "steering.settings"
+DJANGO_SETTINGS_MODULE = "steering.test_settings"
 django_debug_mode = true
 filterwarnings = [
     "ignore::DeprecationWarning",

steering/test_settings.py

+from steering.settings import *  # noqa
+
+OPERATION_MODE = "tests"