@Test
 public void init() {
   ProviderRestService tested = new ProviderRestService();
   tested.log = Logger.getLogger("testlogger");
   Assert.assertNull(tested.entityService);
   tested.providerService = Mockito.mock(ProviderService.class);
   // EntityService es = Mockito.mock(ProviderService.class);
   Assert.assertNull(tested.entityService);
   tested.init();
   // Assert.assertEquals(es, tested.entityService);
 }