@Test
  public void getMembersToWaitForRemovesAllMembersWhenDiskStoreListedTwice() {
    DiskStoreID diskStoreID = getNewDiskStoreID();
    Set<PersistentMemberID> previouslyOnlineMembers = new HashSet<>();
    previouslyOnlineMembers.add(createPersistentMemberID(diskStoreID, TIME_STAMP_1));
    previouslyOnlineMembers.add(createPersistentMemberID(diskStoreID, TIME_STAMP_3));

    getMembersToWaitForRemovesAllMembers(diskStoreID, previouslyOnlineMembers);
  }
GEODE-5402: This test creates a scenario where a member has two versions (based on timeStamp)
of another member. The call to getMembersToWaitFor should return that we wait for neither of
them.
geode-core/src/test/java/org/apache/geode/internal/cache/persistence/PersistenceAdvisorImplTest.java