private static MultisigSignatureTransaction createSignatureWithHash(final Account multisig,final Hash hash){
  return createSignature(Utils.generateRandomAccount(),multisig,hash);
}

private static MultisigSignatureTransaction createSignatureWithHash ( final Account multisig , final Hash hash ) { return createSignature ( Utils . generateRandomAccount ( ) , multisig , hash ) ; }
creates a signature transaction with the specified hash .
