@Test
  public void testSetId() {
    ConcurrentHashMap<String, String> map = new ConcurrentHashMap<String, String>();
    OperationContext context = new OperationContext(map);
    context.setId("mock");

    assertEquals(context.getId(), "mock");
    assertEquals(map.size(), 1);
    assertEquals(map.get(ContextTagKeys.getKeys().getOperationId()), "mock");
  }
  @Test
  public void testSetSyntheticSource() {
    final String source = "mockSource";
    ConcurrentHashMap<String, String> map = new ConcurrentHashMap<String, String>();
    OperationContext context = new OperationContext(map);
    context.setSyntheticSource(source);

    assertEquals(context.getSyntheticSource(), source);
    assertEquals(map.size(), 1);
    assertEquals(map.get(ContextTagKeys.getKeys().getSyntheticSource()), source);
  }