[clustertest] Switch to 30val+30fn config
[clustertest] Switch to 30val+30fn config

Closes: #3199
Approved by: sausagee

aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,libra/libra,libra/libra