test.js

const fs = require('fs');

const ganache = require('ganache-cli');
const Web3 = require('web3');
const solc = require('solc');

const web3 = new Web3(ganache.provider());

(async function() {
  const input = {
    language: 'Solidity',
    sources: {
      'Inbox.sol': {
        content: fs.readFileSync('./Inbox.sol').toString()
      }
    },
    settings: {
      outputSelection: {
        '*': {
          '*': ['*']
        }
      }
    }
  };

  const output = JSON.parse(solc.compile(JSON.stringify(input)));
  const contract = output.contracts['Inbox.sol'].Inbox;

  const accounts = await web3.eth.getAccounts();

  const contractInstance = new web3.eth.Contract(contract.abi);

  const inbox = await contractInstance.deploy({
    data: contract.evm.bytecode.object,
    arguments: ["Test"]
  }).send({from: accounts[0], gas: 1000000});

  console.log(inbox);
})();