add inflation rewards smoke test #1890

Job	Run time
set-tags	6s
cargo-clippy	2m 4s
check-copyright	4s
typescript-linting	29s
typescript-formatting	15s
build	5m 28s
rust-test	3m 28s
typescript-tests-frontier	5m 17s
check-api-augment	1m 19s
typescript-tests	6m 54s
chopsticks-upgrade-test (stagenet_dancebox, dancebox)	44s
typescript-dancebox-specs	41s
chopsticks-upgrade-test (dancebox, dancebox)	1m 17s
zombienet-tests	12m 3s
zombienet-tests-rotation	9m 24s
zombienet-tests-warp-sync	7m 55s
zombienet-test-upgrade (dancebox)	4m 19s
docker-tanssi (tanssi)	1m 14s
docker-tanssi (container-chain-simple-template)	38s
docker-tanssi (container-chain-evm-template)	1m 4s
	1h 4m 43s

Provide feedback