feat: add SERVICE_VARIANT configuration for LMS in test settings

Author: BryanttV

openedx_authz/settings/test.py

@@ -67,6 +67,8 @@ def plugin_settings(settings):  # pylint: disable=unused-argument
 
 ROOT_URLCONF = "openedx_authz.urls"
 
+SERVICE_VARIANT = "lms"
+
 # Casbin configuration
 CASBIN_MODEL = os.path.join(ROOT_DIRECTORY, "engine", "config", "model.conf")
 CASBIN_AUTO_LOAD_POLICY_INTERVAL = 0