@Test(expected = CouchException.class)
 public void createDb_invalidDBNmae_exception() {
   // Couch does not like capital character in db name
   String dbName = "mazha_test_INVALID_DB_NAME";
   CouchClient customClient = new CouchClient(getCouchConfig(dbName));
   customClient.createDb();
 }
  @Test
  public void deleteDb_dbMustBeDeleted() {
    String dbName = "mazha_test_deletedb" + System.currentTimeMillis();
    CouchClient customClient = new CouchClient(getCouchConfig(dbName));
    ClientTestUtils.deleteQuietly(client);

    customClient.createDb();
    Assert.assertTrue("DB must exist.", isDbExist(dbName));

    customClient.deleteDb();
    Assert.assertFalse("DB must not exist.", isDbExist(dbName));
  }