Cloudformation

AWS Emulator Measured: 56.46% of Its Own Fidelity Tests Pass, 8,261 of 40,130 Operations Answer 501, and 306 Return Success Where AWS Returns an Error

AWS Emulator's own ledger: 24,243 of 42,937 fidelity units pass (56.46%), 8,261 of 40,130 operations answer 501, and 306 return 2xx where AWS returns 4xx.