Method order

guava-tests/test/com/google/common/collect/SetsTest.java:161–164

(List<String> insertionOrder)

                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {
                    return Ordering.natural().sortedCopy(insertionOrder);
                  }
                })
            .named("Sets.unmodifiableNavigableSet[TreeSet]")
            .withFeatures(