[VM] fix state test (#831)
[VM] fix state test (#831)

[VM] test xargs with blanks

[VM] test xargs without a pipe

[VM] revert to xargs pipe

[VM] revert VM-pr CI to old version
ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereum/ethereumjs-vm,ethereumjs/ethereumjs-vm