@Test
public void should_get_tracing_by_internal_id() throws Exception {

    Tracing tracing = new Tracing();
    when(tracingDao.getByInternalId(anyString())).thenReturn(tracing);
    assertThat("Should get tracing", tracingService.getByInternalId(""), is(tracing));
    verify(tracingDao, times(1)).getByInternalId("");
}