@Test
  public void testHashIndexRemoveAllWithAdditionalPortfolios() throws Exception {
    int numEntries = 100;
    setupHashIndexSet(numEntries);

    assertEquals(numEntries, his.size());
    portfolioSet.add(new Portfolio(numEntries + 1));
    his.removeAll(portfolioSet);
    assertTrue(his.isEmpty());
  }
Remove all should still remove all portfolios provided, even if there are more provided then
contained
geode-core/src/test/java/org/apache/geode/cache/query/internal/index/HashIndexSetJUnitTest.java