@Test
  public void overwriteExistingFilter() {
    int n = 1000;
    double p = 0.01;

    String name = "loadExistingTest";
    String testString = "simpletest";
    String testString2 = "simpletest2";

    cleanupRedis();
    BloomFilter<String> first = createFilter(name, n, p, true);
    first.add(testString);
    System.out.println(first.asString());

    BloomFilter<String> loaded = createFilter(name, n, p, true);
    System.out.println(loaded.asString());
    assertFalse(loaded.contains(testString));
    assertTrue(loaded.getExpectedElements() == n);
    assertEquals(first.getSize(), loaded.getSize());
    assertEquals(first.getHashes(), loaded.getHashes());
    assertEquals(0, Math.round(first.getEstimatedPopulation()));

    loaded.add(testString2);

    assertTrue(first.contains(testString2));

    cleanupRedis();
  }