Ensure device token errors are returning 400

Author: duzumaki

tests/app/idp/idp/settings.py

@@ -84,7 +84,7 @@
 -----END RSA PRIVATE KEY-----
 """,
     ),
-    OAUTH2_PROVIDER_SCOPES=(dict, {"openid": "OpenID Connect scope"}),
+    OAUTH2_PROVIDER_SCOPES=(dict, {"openid": "OpenID Connect scope", "test": "hi"}),
     OAUTH2_PROVIDER_ALLOWED_SCHEMES=(list, ["https", "http"]),
     OAUTHLIB_INSECURE_TRANSPORT=(bool, "1"),
     STATIC_ROOT=(str, BASE_DIR / "static"),