@Test
 public void should_format_iterable_with_custom_start_and_end() {
   List<? extends Object> list = asList("First", 3);
   assertThat(STANDARD_REPRESENTATION.singleLineFormat(list, "{", "}"))
       .isEqualTo("{\"First\", 3}");
   assertThat(STANDARD_REPRESENTATION.singleLineFormat(asList(), "{", "}")).isEqualTo("{}");
 }