endpoints to simulate backend issues:
/ - random status code/status/404 - specific status code/flaky/50 - fails 50% of the time/delay/5 - 5 second delay/memory/10 - allocate 10mb/cpu/2 - cpu spike for 2s/chain/3 - 3 chained requests/size/1024 - 1mb response/stream/10 - stream for 10s