// Test that implementations can be serialized
        FessUser user = new TestFessUser("testuser", new String[] { "role1", "role2" }, new String[] { "group1", "group2" },
                new String[] { "perm1", "perm2" });

        // Verify the interface extends Serializable
        assertTrue(user instanceof java.io.Serializable);
    }

    public void test_allFieldsCombination() {

        testData.add(createRelatedQuery("term2", new String[] { "query2" }, "host1"));
        mockBhv.setTestData(testData);

        List<RelatedQuery> result = relatedQueryHelper.getAvailableRelatedQueryList();
        assertEquals(2, result.size());
        assertEquals("term1", result.get(0).getTerm());
        assertEquals("term2", result.get(1).getTerm());
    }

    public void test_load_emptyList() {

        testData.add(createRelatedContent("term2", "content2", "host1"));
        mockBhv.setTestData(testData);

        List<RelatedContent> result = relatedContentHelper.getAvailableRelatedContentList();
        assertEquals(2, result.size());
        assertEquals("term1", result.get(0).getTerm());
        assertEquals("term2", result.get(1).getTerm());
    }

    public void test_load_emptyList() {

    List<Integer> expected = createOrderedList(size);
    for (Collection<Integer> perm : Collections2.permutations(expected)) {
      for (int i = 0; i < perm.size(); i++) {
        MinMaxPriorityQueue<Integer> q = MinMaxPriorityQueue.create(perm);
        q.removeAt(i);
        assertIntactUsingStartedWith(perm, q);
      }
    }
  }

  /** Regression test for bug found. */

          java-version: 11

      - name: Configure JDK
        uses: actions/setup-java@v5
        with:
          distribution: 'zulu'
          java-version: 17

      - name: Enable KVM group perms
        # https://github.blog/changelog/2023-02-23-hardware-accelerated-android-virtualization-on-actions-windows-and-linux-larger-hosted-runners/
        run: |