message: tests: re-add missing transaction_builder missing sigs test
diff: }
  ]
  },
  + {
  + "description": "Incpmplete transactions, known prevTxScript type, therefore throws for missing signatures",
  + "exception": "Not enough signatures provided",
  + "inputs": [
  + {
  + "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
  + "vout": 0,
  + "signs": [
  + {
  + "keyPair": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn"
  + }
  + ]
  + },
  + {
  + "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
  + "vout": 1,
  + "prevTxScript": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG"
  + }
  + ],
  + "outputs": [
  + {
  + "script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
  + "value": 1000
  + }
  + ]
  + },
  {
  "description": "Duplicate transaction outs",
  "exception": "Duplicate TxOut: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff:0",
  