Fix tests + enable inline requires on react-native

Reviewed By: @sahrens, @vjeux

Differential Revision: D2456607

packager/react-packager/src/Activity/__tests__/Activity-test.js

@@ -68,7 +68,7 @@ describe('Activity', () => {

      expect(() => {
        Activity.endEvent(eid);
      }).toThrow('event(3) has already ended!');
      }).toThrow('event(1) has already ended!');
    });
  });

@@ -80,8 +80,8 @@ describe('Activity', () => {
      Activity.signal(EVENT_NAME, DATA);
      jest.runOnlyPendingTimers();

      expect(console.log.mock.calls.length).toBe(3);
      const consoleMsg = console.log.mock.calls[2][0];
      expect(console.log.mock.calls.length).toBe(1);
      const consoleMsg = console.log.mock.calls[0][0];
      expect(consoleMsg).toContain(EVENT_NAME);
      expect(consoleMsg).toContain(JSON.stringify(DATA));
    });

packager/react-packager/src/Cache/__tests__/Cache-test.js

@@ -21,13 +21,14 @@ jest

var Promise = require('promise');
var fs = require('fs');
var os = require('os');
var _ = require('underscore');

var Cache = require('../');

describe('JSTransformer Cache', () => {
  var Cache;
  beforeEach(() => {
    require('os').tmpDir.mockImpl(() => 'tmpDir');
    Cache = require('../');
    os.tmpDir.mockImpl(() => 'tmpDir');
  });

  describe('getting/setting', () => {

packager/react-packager/src/FileWatcher/__tests__/FileWatcher-test.js

@@ -19,14 +19,14 @@ jest
    }
  });

var FileWatcher = require('../');
var sane = require('sane');

describe('FileWatcher', function() {
  var FileWatcher;
  var Watcher;

  beforeEach(function() {
    require('mock-modules').dumpCache();
    FileWatcher = require('../');
    Watcher = require('sane').WatchmanWatcher;
    Watcher = sane.WatchmanWatcher;
    Watcher.prototype.once.mockImplementation(function(type, callback) {
      callback();
    });

packager/react-packager/src/JSTransformer/__tests__/Transformer-test.js

@@ -15,12 +15,12 @@ jest
jest.mock('fs');

var Cache = require('../../Cache');
var Transformer = require('../');
var fs = require('fs');

var options;

describe('Transformer', function() {
  var Transformer;
  var workers;

  beforeEach(function() {
@@ -33,7 +33,6 @@ describe('Transformer', function() {
      transformModulePath: '/foo/bar',
      cache: new Cache({}),
    };
    Transformer = require('../');
  });

  pit('should loadFileAndTransform', function() {