/**
  * Simulates a user double-clicking this fixture's <code>{@link VFSJFileChooser}</code>.
  *
  * @return this fixture.
  * @throws IllegalStateException if this fixture's <code>VFSJFileChooser</code> is disabled.
  * @throws IllegalStateException if this fixture's <code>VFSJFileChooser</code> is not showing on
  *     the screen.
  */
 public VFSJFileChooserFixture<FileObject> doubleClick() {
   driver.doubleClick(target);
   return this;
 }