message: Use mocha's "before" instead of "it" to setup the App.
  Otherwise, the setup is not run when calling mocha --grep.
diff: @@ -61,7 +61,7 @@ describe('Converter', function() {
  const base = Path.join(__dirname, 'converter');
  let app: Application;
  - it('constructs', function() {
  + before('constructs', function() {
  app = new Application({
  mode: 'Modules',
  logger: 'none',
  @@ -104,7 +104,7 @@ describe('Converter with excludeNotExported=true', function() {
  const classDir = Path.join(base, 'class');
  let app: Application;
  - it('constructs', function() {
  + before('constructs', function() {
  app = new Application({
  mode: 'Modules',
  logger: 'none',
  