cosmwasm: improve wormchain ibc receiver tests #96

Job	Run time
ethereum	1m 6s
ethereum-upgrade	4m 24s
Aptos	3m 2s
algorand	7m 13s
node	2m 52s
relayer-ethereum	1m 7s
Sui	2m 31s
solana	4m 27s
terra	6m 58s
terra-2	10m 9s
cli	2m 27s
cosmwasm	2m 6s
docker	6s
rust-lint-and-tests (cosmwasm/Cargo.toml)	43s
sdk_vaa	1m 13s
spellcheck	12s
rust-lint-and-tests (terra/Cargo.toml)	53s
wormchain	4m 50s
rust-lint-and-tests (sdk/rust/Cargo.toml)	33s
npm-packages	7s
prettier	12s
tilt	1s
node-lint	1s
node-tests	1s
	57m 14s

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