If there is no default/genesis folder in the clients folder, retesteth will not start (even if one supplies --clients "ethereumjs" for instance) and complain (for each test folder:)
fatal error: in "GeneralStateTests/Cancun/stEIP4844-blobtransactions": test::EthError: Error initializing configs: default/genesis client config not found!
If there is no
default/genesis
folder in the clients folder, retesteth will not start (even if one supplies--clients "ethereumjs"
for instance) and complain (for each test folder:)