builder.withResponseOrdering(OrderBy.CUSTOM); } catch (IllegalArgumentException e) { assertThat(e.getMessage()).isEqualTo("You must provide a custom comparator if orderBy == OrderBy.CUSTOM"); builder.withResponseOrdering(Ordering.<String>natural()); assertThat(builder.config.getResponseOrderBy()).isEqualTo(OrderBy.CUSTOM); assertThat(builder.config.getResponseOrdering()).isEqualTo(Ordering.natural());