@Test
  public void should_only_display_one_movie_which_title_contain_user_filter_string()
      throws Exception {
    // when
    availableMoviesScreen.userEntersFilterText("dark knig");

    // then
    availableMoviesScreen.displaysMovies("The Dark Knight Rises");
  }
 @Test
 public void should_display_all_movies_when_not_filtered() throws Exception {
   availableMoviesScreen.displaysMovies(titlesOfMoviesInDatabase());
 }