convert the rest of the helper files to ts

test/setup-api.js

@@ -1,62 +0,0 @@
-'use strict'; // eslint-disable-line 
-
-const RippleAPI = require('ripple-api').RippleAPI;
-const RippleAPIBroadcast = require('ripple-api').RippleAPIBroadcast;
-const ledgerClosed = require('./fixtures/rippled/ledger-close');
-const createMockRippled = require('./mock-rippled');
-const {getFreePort} = require('./utils/net-utils');
-
-
-function setupMockRippledConnection(testcase, port) {
-  return new Promise((resolve, reject) => {
-    testcase.mockRippled = createMockRippled(port);
-    testcase._mockedServerPort = port;
-    testcase.api = new RippleAPI({server: 'ws://localhost:' + port});
-    testcase.api.connect().then(() => {
-      testcase.api.once('ledger', () => resolve());
-      testcase.api.connection._ws.emit('message', JSON.stringify(ledgerClosed));
-    }).catch(reject);
-  });
-}
-
-function setupMockRippledConnectionForBroadcast(testcase, ports) {
-  return new Promise((resolve, reject) => {
-    const servers = ports.map(port => 'ws://localhost:' + port);
-    testcase.mocks = ports.map(port => createMockRippled(port));
-    testcase.api = new RippleAPIBroadcast(servers);
-    testcase.api.connect().then(() => {
-      testcase.api.once('ledger', () => resolve());
-      testcase.mocks[0].socket.send(JSON.stringify(ledgerClosed));
-    }).catch(reject);
-  });
-}
-
-function setup() {
-  return getFreePort().then(port => {
-    return setupMockRippledConnection(this, port);
-  });
-}
-
-function setupBroadcast() {
-  return Promise.all([getFreePort(), getFreePort()]).then(ports => {
-    return setupMockRippledConnectionForBroadcast(this, ports);
-  });
-}
-
-function teardown(done) {
-  this.api.disconnect().then(() => {
-    if (this.mockRippled !== undefined) {
-      this.mockRippled.close();
-    } else {
-      this.mocks.forEach(mock => mock.close());
-    }
-    setImmediate(done);
-  }).catch(done);
-}
-
-module.exports = {
-  setup: setup,
-  teardown: teardown,
-  setupBroadcast: setupBroadcast,
-  createMockRippled: createMockRippled
-};