message: style(nodejs): conform to standard rules
diff: @@ -207,15 +207,15 @@ test('ledger', async function (t) {
  t.deepEqual(req.operation, { type: '7', timestamp: 123379200 })
  // ledgers freeze
  - var ledgersIds = [0, 3, 76, 874]
  + let ledgersIds = [0, 3, 76, 874]
  req = await indy.buildLedgersFreezeRequest(trusteeDid, ledgersIds)
  - t.deepEqual(req['operation'], { 'type': '9', 'ledgers_ids': ledgersIds })
  + t.deepEqual(req.operation, { type: '9', ledgers_ids: ledgersIds })
  ledgersIds = []
  req = await indy.buildLedgersFreezeRequest(trusteeDid, ledgersIds)
  - t.deepEqual(req['operation'], { 'type': '9', 'ledgers_ids': ledgersIds })
  + t.deepEqual(req.operation, { type: '9', ledgers_ids: ledgersIds })
  - var err = await t.throwsAsync(indy.buildLedgersFreezeRequest(trusteeDid, ['0', '3', '76', '874']))
  + let err = await t.throwsAsync(indy.buildLedgersFreezeRequest(trusteeDid, ['0', '3', '76', '874']))
  t.is(err.indyName, 'CommonInvalidStructure')
  err = await t.throwsAsync(indy.buildLedgersFreezeRequest(trusteeDid, '[0, 3, 76, 874]'))
  @@ -223,7 +223,7 @@ test('ledger', async function (t) {
  // frozen ledgers
  req = await indy.buildGetFrozenLedgersRequest(trusteeDid)
  - t.deepEqual(req['operation'], { 'type': '10' })
  + t.deepEqual(req.operation, { type: '10' })
  // author agreement acceptance data
  req = await indy.appendTxnAuthorAgreementAcceptanceToRequest(req, 'indy agreement', '1.0.0', null, 'acceptance mechanism label 1', 123379200)
  