/**
  * Asserts that this fixture's <code>{@link VFSJFileChooser}</code> is enabled.
  *
  * @param timeout the time this fixture will wait for the component to be enabled.
  * @return this fixture.
  * @throws WaitTimedOutError if this fixture's <code>VFSJFileChooser</code> is never enabled.
  */
 public VFSJFileChooserFixture<FileObject> requireEnabled(Timeout timeout) {
   driver.requireEnabled(target, timeout);
   return this;
 }