message: fix app path on windows
diff: import { EventEmitter } from 'events';
  import * as path from 'path';
  +import { isWindowsOS } from '../../src/common/env';
  const ipcEmitter = new EventEmitter();
  const mockIdleTime: number = 15;
  @@ -28,9 +29,12 @@ interface IPowerMonitor {
  querySystemIdleTime(): void;
  }
  -// use config provided by test framework
  const pathToConfigDir = (): string => {
  + if (isWindowsOS) {
  + return path.join(__dirname, '/../..') as string;
  + } else {
  return path.join(__dirname, '/..') as string;
  + }
  };
  // electron app mock...
  