Changes in tests to match hivemind branch of the same name

manually corrected pattern so it contains blacklists that were in original result (to be matched with mocks)

hivemind/tavern/bridge_api_negative/get_follow_list/bad_observer.pat.json

+{
+  "code": -32602,
+  "data": "Account nonexisting does not exist",
+  "message": "Invalid parameters"
+}