@Override
            public Integer getCoordinatorOperationRetryAsInteger() {
                return 5;
            }
        });

        helper.tryStartOperation("test_op", "test_data");
        assertEquals(5, passedRetries.get());
    }

    @Test
    public void test_tryStartOperation_twoArg_defaultRetry() {
        // Verify default retry value of 3 from config

        // Create some objects and measure their sizes
        List<String> testData = new ArrayList<>();
        for (int i = 0; i < 100; i++) {
            testData.add("test data " + i);
        }

        long listSize = MemoryUtil.sizeOf(testData);
        assertTrue(listSize > 0);

        String memoryLog2 = MemoryUtil.getMemoryUsageLog();

    }

    @Test
    public void test_gzipCompress_and_gzipDecompress() {
        String testData =
                "This is test data for compression that should be long enough to actually compress effectively when using gzip compression algorithm";
        byte[] originalBytes = testData.getBytes();

        byte[] compressed = searchHelper.gzipCompress(originalBytes);

        doc.put("key9", new ArrayList<Integer>(Arrays.asList(777, 888, 999)));
        assertEquals(777, DocumentUtil.getValue(doc, "key9", Integer.class));
    }

    @Test
    public void test_date() {
        Map<String, Object> doc = new HashMap<>();

        Date expected4 = new Date();
        doc.put("key4", expected4);
        assertEquals(expected4, DocumentUtil.getValue(doc, "key4", Date.class));
    }