partial tap output w/ how long each test took

ms-logger.js

var time = +Date.now()
var testId = 0

console.log('TAP version 13')
tape.createStream({ objectMode: true }).on('data', function (row) {
  if (row.type === 'test') {
    console.log('# ' + row.name)
  }
  if (row.type === 'assert') {
    testId++
    var now = +Date.now()
    var diff = now - time
    time = now
    console.log(row.ok ? 'ok' : 'not ok', testId, row.name, '-', diff + 'ms')
  }

})