Problem definition

We want to enhance the e2e tests with the architecture that will enable us to test whether CometBFT respects the ABCI++ grammar. The idea is to run the testnet, log the ABCI calls, and then do the post-mortum testing of the logs.

DoD

• ADR explaining the design choices: ADR 108: ADR for extending E2E infrastructure so that we can check CometBFT's behaviour with respect to ABCI++ grammar. #902
• Implementation: Implementation of ADR-108 #930